//**********************************************************************

// NOTE:  AjaxCommon.js is required for some of the functions defined

// in this file to run.

//

// NOTE:  All global variables used by this file are prefixed with 

// "as_" (i.e., airport suggest) in an effort to prevent potential 

// conflicts with global variables declared in other JS files or blocks

// that are used within the same pages.

//**********************************************************************



//GLOBAL VARIABLES

var as_minInputText = 2;

var as_defaultTextColor = "#999999";

var as_customTextColor = null;



//DEPARTURE AIRPORT GLOBAL VARIABLES

var as_deptInputField = new Array();

var as_deptValueField = new Array();

var as_deptSuggestDiv = new Array();

var as_deptSuggestFrame = new Array();

var as_deptCurrentInput = new Array();

var as_deptScrollIndex = new Array();

var as_deptListIcon = new Array();

var as_deptOrigin = "DEPT";

var as_deptDefaultText = "Type your departure";

var as_deptList = null;



//DESTINATION AIRPORT GLOBAL VARIABLES

var as_destInputField = new Array();

var as_destValueField = new Array();

var as_destSuggestDiv = new Array();

var as_destSuggestFrame = new Array();

var as_destCurrentInput = new Array();

var as_destScrollIndex = new Array();

var as_destListIcon = new Array();

var as_destOrigin = "DEST";

var as_destDefaultText = "Type your destination";

var as_destList = null;



//To calculate the calendar position relative to a specific container

//element rather than relative to the entire window, add the class

//specified below to the desired container element.

var as_posRefClass = "asPosRef";







//**********************************************************************

// Name			: initDeptAirportSuggest

// Description	: Initializes global variables which will be used to

//				  manipulate the departure airport form fields and

//				  suggestion list.

// Input		: departureNr - Unique numeric value indicating the

//								departure section within the page with

//								which the specified variables are

//								associated,as some pages will include 

//								multiple departure sections.

//				  inputField - Text box into which the user will enter

//				 			   departure airport input

//				  valueField - Hidden field which will be used to store

//							   the departure airport code if/when one is

//							   selected

//				  suggestDiv - Div section where the departure airport

//							   suggestion list should be placed

//				  suggestFrame - iFrame to be placed in the same location

//								 as the div section; this must be done

//								 to work around an IE bug which would

//								 otherwise allow select lists to appear

//								 on top of the div

// Output		: N/A

//**********************************************************************

function initDeptAirportSuggest(departureNr, inputField, valueField, suggestDiv, suggestFrame) {

    as_deptInputField[departureNr] = inputField;

    as_deptValueField[departureNr] = valueField;

    as_deptSuggestDiv[departureNr] = suggestDiv;

    as_deptSuggestFrame[departureNr] = suggestFrame;

    as_deptCurrentInput[departureNr] = "";

	as_deptScrollIndex[departureNr] = -1;

	

	if (as_deptInputField[departureNr].style.color) {		

		as_customTextColor = as_deptInputField[departureNr].style.color;

	}

	       

    //Form fields have been prepopulated with previous search data  

    if (as_deptValueField[departureNr].value.length > 0) {    	

    	var displayText = getAirportXMLDisplayText(as_deptValueField[departureNr].value, as_deptOrigin);

//    	var displayText = getAirportDisplayText(as_deptValueField[departureNr].value, false, as_deptOrigin);

    	if (displayText == null) {

    		displayText = as_deptValueField[departureNr].value;

    	}

    	

    	as_deptInputField[departureNr].value = displayText;

    	as_deptCurrentInput[departureNr] = displayText;

    }

    else {

    	as_deptInputField[departureNr].value = as_deptDefaultText;

    	as_deptInputField[departureNr].style.color = as_defaultTextColor;

    }

    

    //Preload full departure airport list to improve response time

    if (as_deptList == null) {

    	loadAirportList(as_deptOrigin);

    }

}







//**********************************************************************

// Name			: initDestAirportSuggest

// Description	: Initializes global variables which will be used to

//				  manipulate the destination airport form fields and

//				  suggestion list.

// Input		: destinationNr - Unique numeric value indicating the

//								destination section within the page with

//								which the specified variables are

//								associated,as some pages will include 

//								multiple destination sections.

//				  inputField - Text box into which the user will enter

//				 			   destination airport input

//				  valueField - Hidden field which will be used to store

//							   the destination airport code if/when one

//							   is selected

//				  suggestDiv - Div section where the destination airport

//							   suggestion list should be placed

//				  suggestFrame - iFrame to be placed in the same location

//								 as the div section; this must be done

//								 to work around an IE bug which would

//								 otherwise allow select lists to appear

//								 on top of the div

// Output		: N/A

//**********************************************************************

function initDestAirportSuggest(destinationNr, inputField, valueField, suggestDiv, suggestFrame) {

    as_destInputField[destinationNr] = inputField;

    as_destValueField[destinationNr] = valueField;

    as_destSuggestDiv[destinationNr] = suggestDiv;

    as_destSuggestFrame[destinationNr] = suggestFrame;

    as_destCurrentInput[destinationNr] = "";

	as_destScrollIndex[destinationNr] = -1;

	

	if (as_destInputField[destinationNr].style.color) {

		as_customTextColor = as_destInputField[destinationNr].style.color;

	}

    

    //Form fields have been prepopulated with previous search data  

    if (as_destValueField[destinationNr].value.length > 0) {

    	var displayText = getAirportXMLDisplayText(as_destValueField[destinationNr].value, as_destOrigin);

//		    	var displayText = getAirportDisplayText(as_destValueField[destinationNr].value, false, as_destOrigin);

    	if (displayText == null) {

    		displayText = as_destValueField[destinationNr].value;

    	}

    	

    	as_destInputField[destinationNr].value = displayText;

    	as_destCurrentInput[destinationNr] = displayText;

    }

    else {

    	as_destInputField[destinationNr].value = as_destDefaultText;

    	as_destInputField[destinationNr].style.color = as_defaultTextColor;

    }

    

    //Preload full departure airport list to improve response time

    if (as_destList == null) {

    	loadAirportList(as_destOrigin);

    }

}







//**********************************************************************

// Name			: checkDeptDefaultText

// Description	: If the departure display field contains the default

//				  text value when it gains focus, clears this value.

// Input		: departureNr - Unique numeric value indicating the

//								departure section within the page which

//								has gained focus,as some pages will  

//								include multiple departure sections.

// Output		: N/A

//**********************************************************************

function checkDeptDefaultText(departureNr) {

	checkDefaultText(as_deptInputField[departureNr], as_deptDefaultText);	

}







//**********************************************************************

// Name			: checkDestDefaultText

// Description	: If the destination display field contains the default

//				  text value when it gains focus, clears this value.

// Input		: destinationNr - Unique numeric value indicating the

//								destination section within the page which

//								has gained focus,as some pages will  

//								include multiple destination sections.

// Output		: N/A

//**********************************************************************

function checkDestDefaultText(destinationNr) {

	checkDefaultText(as_destInputField[destinationNr], as_destDefaultText);

}







//**********************************************************************

// Name			: toggleDeptAirportList

// Description	: Displays or hides the full list of available departure

//				  airports, based on whether it is currently visible.

// Input		: departureNr - Unique numeric value indicating the

//								departure section within the page for 

//								which the full list is to be toggled,

//								as some pages will include multiple

//								departure sections.

//				  listIcon - Image element used to display the plus or

//							 minus icon based on the current state

//							 of the list.

// Output		: N/A

//**********************************************************************

function toggleDeptAirportList(departureNr, listIcon) {	

	if (listIcon.className == "tah_minus") {		

		toggleOffAirportList(as_deptInputField[departureNr], as_deptSuggestDiv[departureNr], as_deptSuggestFrame[departureNr], as_deptOrigin, listIcon, departureNr);		

	}

	else {

		if (as_deptList == null) {

			loadAirportList(as_deptOrigin);

		}

		toggleOnAirportList(as_deptInputField[departureNr], as_deptValueField[departureNr], as_deptSuggestDiv[departureNr], as_deptSuggestFrame[departureNr], as_deptOrigin, listIcon, departureNr);		

	}	

}







//**********************************************************************

// Name			: toggleDestAirportList

// Description	: Displays or hides the full list of available destination

//				  airports, based on whether it is currently visible.

// Input		: destinationNr - Unique numeric value indicating the

//								destination section within the page for 

//								which the full list is to be toggled,

//								as some pages will include multiple

//								destination sections.

//				  listIcon - Image element used to display the plus or

//							 minus icon based on the current state

//							 of the list.

// Output		: N/A

//**********************************************************************

function toggleDestAirportList(destinationNr, listIcon) {	

	if (listIcon.className == "tah_minus") {		

		toggleOffAirportList(as_destInputField[destinationNr], as_destSuggestDiv[destinationNr], as_destSuggestFrame[destinationNr], as_destOrigin, listIcon, destinationNr);		

	}

	else {

		if (as_destList == null) {			

			loadAirportList(as_destOrigin);

		}

		toggleOnAirportList(as_destInputField[destinationNr], as_destValueField[destinationNr], as_destSuggestDiv[destinationNr], as_destSuggestFrame[destinationNr], as_destOrigin, listIcon, destinationNr);		

	}

}







//**********************************************************************

// Name			: suggestDeptAirports

// Description	: Controls the display and population of the departure

//				  airport suggestion list based on the text the user

//				  enters into the associated input field.

// Input		: departureNr - Unique numeric value indicating the

//								departure section within the page for 

//								which suggestions are to be provided,

//								as some pages will include multiple

//								departure sections.

// Output		: N/A

//**********************************************************************

function suggestDeptAirports(departureNr) {   

    if (as_deptInputField[departureNr].value != as_deptCurrentInput[departureNr]) {

        as_deptCurrentInput[departureNr] = as_deptInputField[departureNr].value; 

        as_deptValueField[departureNr].value = "";

                

        if (as_deptInputField[departureNr].value.replace(/\s/g, "") != "" &&

				as_deptInputField[departureNr].value.length >= as_minInputText) {            

            suggestAirports(as_deptInputField[departureNr], as_deptValueField[departureNr], as_deptSuggestDiv[departureNr], as_deptSuggestFrame[departureNr], as_deptOrigin, departureNr);

        }

        else {

            clearAirportSuggestions(as_deptSuggestDiv[departureNr], as_deptSuggestFrame[departureNr], as_deptOrigin, departureNr);

        }

    }    

}







//**********************************************************************

// Name			: suggestDestAirports

// Description	: Controls the display and population of the destination

//				  airport suggestion list based on the text the user

//				  enters into the associated input field.

// Input		: destinationNr - Unique numeric value indicating the

//								  destination within the page for which

//								  suggestions are to be provided, as

//								  some pages will include multiple

//								  destination sections.

// Output		: N/A

//**********************************************************************

function suggestDestAirports(destinationNr) {

    if (as_destInputField[destinationNr].value != as_destCurrentInput[destinationNr]) {

        as_destCurrentInput[destinationNr] = as_destInputField[destinationNr].value; 

        as_destValueField[destinationNr].value = "";

        

        if (as_destInputField[destinationNr].value.replace(/\s/g, "") != "" &&

				as_destInputField[destinationNr].value.length >= as_minInputText) {

            suggestAirports(as_destInputField[destinationNr], as_destValueField[destinationNr], as_destSuggestDiv[destinationNr], as_destSuggestFrame[destinationNr], as_destOrigin, destinationNr);

        }

        else {

            clearAirportSuggestions(as_destSuggestDiv[destinationNr], as_destSuggestFrame[destinationNr], as_destOrigin, destinationNr);

        }

    }    

}







//**********************************************************************

// Name			: checkDeptAirportSelection

// Description	: When a user navigates away from the departure airport

//				  input field, determines whether an airport selection

//				  was made and performs any required clean-up tasks 

//				  related to the associated suggestion list.

// Input		: departureNr - Unique numeric value indicating the

//								departure section within the page whose

//								fields are to be checked, as some pages

//								will include multiple departure sections.

// Output		: N/A

//**********************************************************************

function checkDeptAirportSelection(departureNr) {    

    checkAirportSelection(as_deptInputField[departureNr], as_deptValueField[departureNr], as_deptSuggestDiv[departureNr], as_deptSuggestFrame[departureNr], as_deptOrigin, departureNr);

}







//**********************************************************************

// Name			: checkDestAirportSelection

// Description	: When a user navigates away from the destination airport

//				  input field, determines whether an airport selection

//				  was made and performs any required clean-up tasks 

//				  related to the associated suggestion list.

// Input		: destinationNr - Unique numeric value indicating the

//								  destination within the page whose

//								  fields are to be checked, as some

//								  pages will include multiple destination

//								  sections.

// Output		: N/A

//**********************************************************************

function checkDestAirportSelection(destinationNr) {   

    checkAirportSelection(as_destInputField[destinationNr], as_destValueField[destinationNr], as_destSuggestDiv[destinationNr], as_destSuggestFrame[destinationNr], as_destOrigin, destinationNr);

}







//**********************************************************************

// Name			: checkDeptScroll

// Description	: Checks to see if the user has pressed a key which

//				  should result in a scrolling or a selection action on

//				  the departure airport suggestion list, and takes 

//				  the appropriate action.

// Input		: event - Browser event (i.e., a key press) that was

//						  captured

//				  departureNr - Unique numeric value indicating the

//								departure section within the page on

//								which action is to be taken, as some pages

//								will include multiple departure sections.

// Output		: N/A

//**********************************************************************

function checkDeptAirportScroll(event, departureNr) {    

    checkAirportScroll(event, as_deptInputField[departureNr], as_deptValueField[departureNr], as_deptSuggestDiv[departureNr], as_deptSuggestFrame[departureNr], as_deptOrigin, departureNr);

}







//**********************************************************************

// Name			: checkDestScroll

// Description	: Checks to see if the user has pressed a key which

//				  should result in a scrolling or a selection action on

//				  the destination airport suggestion list, and takes 

//				  the appropriate action.

// Input		: event - Browser event (i.e., a key press) that was

//						  captured

//				  destinationNr - Unique numeric value indicating the

//								  destination within the page on which

//								  action is to be taken, as some pages

//								  will include multiple destination 

//								  sections.

// Output		: N/A

//**********************************************************************

function checkDestAirportScroll(event, destinationNr) {

    checkAirportScroll(event, as_destInputField[destinationNr], as_destValueField[destinationNr], as_destSuggestDiv[destinationNr], as_destSuggestFrame[destinationNr], as_destOrigin, destinationNr);

}







//**********************************************************************

// Name			: checkDefaultText

// Description	: If the specified display field contains the specified

//				  default text value when it gains focus, clears this

//				  value.

// Input		: inputField - Field containing the user's input

//				  defaultText - Default text value for this field

// Output		: N/A

//**********************************************************************

function checkDefaultText(inputField, defaultText) {

	if (inputField.value == defaultText) {

		inputField.value = "";

		if (as_customTextColor != null) {

			inputField.style.color = as_customTextColor;

		}

		else {

			inputField.style.color = "";

		}		

	}

}







//**********************************************************************

// Name			: getAirportDisplayText

// Description	: If the browser supports Ajax, sends a request to the

//				  server to obtain the display text associated with a

//				  particular airport code.

// Input		: airportCode - The airport code for which display text

//							    is to be retrieved

//				  detailed - true if detailed display text should be 

//							 returned or false if the basic display text

//							 should be returned

// Output		: The display text associated with the specified airport

//				  code, or null if it cannot be determined for any reason.

//**********************************************************************

function getAirportDisplayText(airportCode, detailed, origin) {    

  

	var displayText = null;    

    var targetURL = "/aev/airport_suggest";  

    var reqParamsString = "target=displayText&airportCode=" + airportCode + "&detailed=" + detailed;        

    var xmlHttpRequest = createXMLHttpRequest();

    

    if (xmlHttpRequest != null) {    	

        xmlHttpRequest.open("POST", targetURL, false);

        xmlHttpRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");

        xmlHttpRequest.send(reqParamsString);	

                      	

    	//This is a synchronous call, so onreadystatechange handler is needed

    	if (xmlHttpRequest.status == 200) {				

			var airport = xmlHttpRequest.responseXML.getElementsByTagName("airport")[0];

		    displayText = airport.getElementsByTagName("text")[0].childNodes[0].nodeValue;

        } 

    } 

}



//**********************************************************************

// Name			: getAirportXMLDisplayText

// Description	: Read in xml file and get the description for airport code entered.

// Input		: airportCode - The airport code for which display text

//							    is to be retrieved

//              : origin - gateway or destination

// Output		: The display text associated with the specified airport

//				  code, or null if it cannot be determined for any reason.

//**********************************************************************

function getAirportXMLDisplayText(airportCode, origin) {   

	loadXMLDoc(origin);

	if ( origin == as_deptOrigin )

   	   as_deptList = xmlDoc;

   	else if ( origin == as_destOrigin )

       as_destList = xmlDoc;



	var searchterm = airportCode;

	var allCodeItems = xmlDoc.getElementsByTagName("code");

	var allDescriptionItems = xmlDoc.getElementsByTagName("text");



	for (var i=0;i<allCodeItems.length;i++) 

	{		

		var name = allCodeItems[i].lastChild.nodeValue;

		var exp = new RegExp(searchterm,"i");

		if ( name.match(exp) != null) 

		{

		   return allDescriptionItems[i].lastChild.nodeValue;

		}

	}

	

    return "";	

}



//**********************************************************************

// Name			: loadXMLDoc

// Description	: Load xml file depending on the origin input.

// Input		: origin - gateway or destination

// Output		: The display text associated with the specified airport

//				  code, or null if it cannot be determined for any reason.

//**********************************************************************

function loadXMLDoc( origin )

{

   var url = "/scripts/data/gatewayAirportCode.xml";



   if (origin == as_destOrigin)   

      url = "/scripts/data/destAirportCode.xml";

	



//   if (document.implementation && document.implementation.createDocument)

   try

   {

      xmlDoc=document.implementation.createDocument("","",null);

      xmlDoc.async=false;

      xmlDoc.load(url);

   }

   catch(e)

   {

      try //Google Chrome

      {

         var xmlhttp = new window.XMLHttpRequest();

         xmlhttp.open("GET", url, false);

         xmlhttp.send(null);

         xmlDoc = xmlhttp.responseXML.documentElement;

      }

      catch(e)

      {

		  try //IE

		  {

		   xmlDoc=new ActiveXObject("Microsoft.XMLDOM");

           xmlDoc.async="false";

           xmlDoc.load(url); 

		  }

		  catch (e)

		  {

			  error=e.message;

		  }

		   

        

      }

   }

}



//**********************************************************************

// Name			: toggleOnAirportList

// Description	: Renders full list of available airports.

// Input		: inputField - Field containing the user's input

//				  valueField - Hidden field which is used to store

//							   the airport code if/when one is selected

//				  suggestDiv - Div section where the airport list is to

//							   be placed

//				  suggestFrame - iFrame associated with the suggestion

//								 div section; this must be done

//								 to work around an IE bug which would

//								 otherwise allow select lists to appear

//								 on top of the div

//				  origin - String indicating whether the departure or

//						   destination list is to be rendered

//				  airportSectionNr - Unique numeric value indicating the

//								     airport section within the page for

//								  	 which action is to be taken, as

//								     some pages will include multiple

//									 departure/destination sections

//				  listIcon - Image element used to display the plus or

//							 minus icon based on the current state

//							 of the list.

// Output		: N/A

//**********************************************************************

function toggleOnAirportList(inputField, valueField, suggestDiv, suggestFrame, origin, listIcon, airportSectionNr) {	

		

	if (origin == as_deptOrigin) {        

    	as_deptListIcon[airportSectionNr] = listIcon;

    	genAirportSuggestionList(as_deptList, inputField, valueField, suggestDiv, suggestFrame, origin, airportSectionNr, false);    

        checkDeptDefaultText(airportSectionNr);        

    }

    else if (origin == as_destOrigin) {

    	as_destListIcon[airportSectionNr] = listIcon;

    	

        genRegionalAirportList(as_destList, inputField, valueField, suggestDiv, suggestFrame, origin, airportSectionNr);

        checkDestDefaultText(airportSectionNr);

    }

	

	listIcon.setAttribute("src", "/images/booking/aev_tah_minus.gif");

    listIcon.setAttribute("alt", "Close list");

    listIcon.className = "tah_minus";

}







//**********************************************************************

// Name			: toggleOffAirportList

// Description	: Hides full list of available airports.

// Input		: inputField - Field containing the user's input

//				  suggestDiv - Div section where the airport list resides

//				  suggestFrame - iFrame associated with the suggestion

//								 div section; this must be done

//								 to work around an IE bug which would

//								 otherwise allow select lists to appear

//								 on top of the div

//				  origin - String indicating whether the departure or

//						   destination list is to be hidden

//				  airportSectionNr - Unique numeric value indicating the

//								     airport section within the page for

//								  	 which action is to be taken, as

//								     some pages will include multiple

//									 departure/destination sections

//				  listIcon - Image element used to display the plus or

//							 minus icon based on the current state

//							 of the list.

// Output		: N/A

//**********************************************************************

function toggleOffAirportList(inputField, suggestDiv, suggestFrame, origin, listIcon, airportSectionNr) {

    clearAirportSuggestions(suggestDiv, suggestFrame, origin, airportSectionNr);

			    

    if (inputField.value == "") {

    	inputField.style.color = as_defaultTextColor;

                

        if (origin == as_deptOrigin) {	            

            inputField.value = as_deptDefaultText;

        }

        else if (origin == as_destOrigin) {	            

            inputField.value = as_destDefaultText;

        }	

    }

}







//**********************************************************************

// Name			: loadAirportList

// Description	: If the browser supports Ajax, sends a request to the

//				  server to obtain the full list of airports for the

//				  specified origin.

// Input		: origin - String indicating whether the departure or

//						   destination list is to be retrieved

// Output		: N/A

//**********************************************************************

function loadAirportList(origin) {



    var targetURL;



	if (origin == as_deptOrigin)

	{

		targetURL = "/scripts/data/gatewayAirportCode.xml";		

	}

	else if (origin = as_destOrigin)

	{

		targetURL = "/scripts/data/destAirportCode.xml";

	}

	else

	{

		targetURL = "/aev/airport_suggest";  

	}



    var reqParamsString = "target=list&origin=" + origin;   

    var xmlHttpRequest = createXMLHttpRequest();

    

    if (xmlHttpRequest != null) 

	{

    	xmlHttpRequest.onreadystatechange = function() {

            if (xmlHttpRequest.readyState == 4) {

                if (xmlHttpRequest.status == 200) {                    

                    if (origin == as_deptOrigin) {    

				        as_deptList = xmlHttpRequest.responseXML;

				    }

				    else if (origin == as_destOrigin) {

				        as_destList = xmlHttpRequest.responseXML;

				    }

                }                              

            }

        };	



		if ((origin == as_deptOrigin || origin == as_destOrigin))

		{

			xmlHttpRequest.open("GET", targetURL, true);

			xmlHttpRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");

			xmlHttpRequest.send(null);

		}

		else

		{

			xmlHttpRequest.open("POST", targetURL, true);

			xmlHttpRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");

			xmlHttpRequest.send(reqParamsString);	    

		}

	}

}







//**********************************************************************

// Name			: suggestAirports

// Description	: If the browser supports Ajax, sends a request to the

//				  server to obtain a list of suggested airports based on

//				  the text that the user has entered and renders the list. 

// Input		: inputField - Field containing the user's input

//				  valueField - Hidden field which will be used to store

//							   the airport code if/when one is selected

//				  suggestDiv - Div section where the airport suggestion

//							   list should be placed

//				  suggestFrame - iFrame to be placed in the same location

//								 as the div section; this must be done

//								 to work around an IE bug which would

//								 otherwise allow select lists to appear

//								 on top of the div

//				  origin - String indicating whether suggestions are to

//						   be retrieved for departure or destination 

//						   airports

//				  airportSectionNr - Unique numeric value indicating the

//								     airport section within the page for

//								  	 which action is to be taken, as

//								     some pages will include multiple

//									 departure/destination sections

// Output		: N/A

//**********************************************************************

function suggestAirports(inputField, valueField, suggestDiv, suggestFrame, origin, airportSectionNr) {    

    var targetURL = "/aev/airport_suggest";  

    

    suggAirports = new Array();

    getSuggestions(inputField.value, origin, suggAirports);



    if(suggAirports.length > 0)

    {

    	genAirportSuggestionListFromPage(suggAirports, inputField, valueField, suggestDiv, suggestFrame, origin, airportSectionNr, true);	

    }

    else

    {

		clearAirportSuggestions(suggestDiv, suggestFrame, origin, airportSectionNr);   

    }    



/*    var reqParamsString = "target=suggest&inputText=" + escape(inputField.value) + "&origin=" + origin;   

    var xmlHttpRequest = createXMLHttpRequest();

    

    if (xmlHttpRequest != null) {

    	xmlHttpRequest.onreadystatechange = function() {

            if (xmlHttpRequest.readyState == 4) {

                if (xmlHttpRequest.status == 200) {

                    genAirportSuggestionList(xmlHttpRequest.responseXML, inputField, valueField, suggestDiv, suggestFrame, origin, airportSectionNr, true);

                }

                else {                    

                    clearAirportSuggestions(suggestDiv, suggestFrame, origin, airportSectionNr);    

                }                

            }

        };

	    

        xmlHttpRequest.open("POST", targetURL, true);

        xmlHttpRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");

        xmlHttpRequest.send(reqParamsString);	    

    }

	*/

}





function getSuggestions(fieldVal, origin, sugAirports)

{

	var airportsString="";

	var airports = new Array();

	var inputText ="";

	var displayText = "";

	var airportCode = "";

	var airportsString = "";

    	var targetURL = "/scripts/data/gatewayAirportDetails.txt";

	

	if (origin == as_destOrigin)

	{

		targetURL = "/scripts/data/destAirportDetails.txt";

	}



	var xmlHttpRequest = createXMLHttpRequest();

    

	if (xmlHttpRequest != null) 

	{

	    xmlHttpRequest.open("GET", targetURL, false);

		xmlHttpRequest.send(null);



		if (xmlHttpRequest.status == 200)

		{

			airportsString = xmlHttpRequest.responseText;



			if(airportsString != "")

			{

				airports=airportsString.split("##");

				var count=0;

				for(i=0;i<airports.length;i++)

				{

					airportCode=airports[i].split("**")[1];

					displayText=airports[i].split("**")[0].split("~")[0];

					inputText=airports[i].split("**")[0].split("~")[1];

					if(inputText.toUpperCase().indexOf(fieldVal.toUpperCase())>=0)

					{					

						var airportData=displayText+"~"+airportCode;	

						sugAirports[count]=airportData;

						count++;

					}

				}

				sugAirports = unique(sugAirports);

			return;

			}

		}

	    else

	    {             

			 clearAirportSuggestions(suggestDiv, suggestFrame, origin, airportSectionNr);    

	    }                    

   } 	

}



function unique(a){ 

        a.sort(); 

        for(var i = 1; i < a.length; ){ 

            if(a[i-1] == a[i]){ 

                a.splice(i, 1); 

            } else { 

                i++; 

            } 

        } 

        return a; 

    } 



function existsAirPort(airportData,sugAirports){

	/*if(sugAirports!=null){

		for(i=0;i<sugAirports.length;i++){

			if(sugAirports[i]==airportData){

				return true;

			}

		}

	}*/

	return false;

}





//**********************************************************************

// Name			: genAirportSuggestionList

// Description	: Parses the XML response from the server which contains

//				  the suggested airport data and renders the list.

// Input		: responseXML - XML response from the server which 

//							    contains the suggested airport data

//				  inputField - Field containing the user's input

//				  valueField - Hidden field which will be used to store

//							   the airport code if/when one is selected

//				  suggestDiv - Div section where the airport suggestion

//							   list should be placed

//				  origin - String indicating whether suggestions are

//						   for departure or destination airports

//				  airportSectionNr - Unique numeric value indicating the

//								     airport section within the page for

//								  	 which action is to be taken, as

//								     some pages will include multiple

//									 departure/destination sections

//				  autoSuggest - true if the list is being generated

//								via auto suggest; false if it is 

//								being generated via the full list

//								option

// Output		: N/A

//**********************************************************************

function genAirportSuggestionList(responseXML, inputField, valueField, suggestDiv, suggestFrame, origin, airportSectionNr, autoSuggest) {    

    clearAirportSuggestions(suggestDiv, suggestFrame, origin, airportSectionNr);    

                    

    var airports = responseXML.getElementsByTagName("airport");

    

    for (var i=0; i<airports.length; i++) {        

        var airportCode = airports[i].getElementsByTagName("code")[0].childNodes[0].nodeValue;

        var displayText = airports[i].getElementsByTagName("text")[0].childNodes[0].nodeValue;

                

        div = document.createElement("div");

        div.style.width = "100%";        

        div.style.cursor = "default";

        div.style.paddingLeft = "4px";

        div.onmouseover = function() { focusOnAirportSuggestion(this, suggestDiv, origin, airportSectionNr); };

        div.onmouseout = function() { focusOffAirportSuggestion(this, origin, airportSectionNr); };

        div.onclick = function() { selectAirport(inputField, valueField, suggestDiv, suggestFrame, origin, airportSectionNr, autoSuggest); };

                

        suggValue = document.createElement("input");

        suggValue.setAttribute("type", "hidden");

        suggValue.setAttribute("name", "suggValue");

        suggValue.setAttribute("id", "suggValue");

        suggValue.setAttribute("value", airportCode);

        suggText = document.createTextNode(displayText);

                        

        div.appendChild(suggValue);

        div.appendChild(suggText);       

        suggestDiv.appendChild(div);       

    }

        

    setAirportListPosition(inputField, suggestDiv, suggestFrame, autoSuggest);    

}



function genAirportSuggestionListFromPage(airports, inputField, valueField, suggestDiv, suggestFrame, origin, airportSectionNr, autoSuggest) {    

    clearAirportSuggestions(suggestDiv, suggestFrame, origin, airportSectionNr);      

    

    

    for (var i=0; i<airports.length; i++) {        

        var airportCode = airports[i].split("~")[1];

        var displayText = airports[i].split("~")[0];

                

        div = document.createElement("div");

        div.style.width = "100%";        

        div.style.cursor = "default";

        div.style.paddingLeft = "4px";

        div.onmouseover = function() { focusOnAirportSuggestion(this, suggestDiv, origin, airportSectionNr); };

        div.onmouseout = function() { focusOffAirportSuggestion(this, origin, airportSectionNr); };

        div.onclick = function() { selectAirport(inputField, valueField, suggestDiv, suggestFrame, origin, airportSectionNr, autoSuggest); };

                

        suggValue = document.createElement("input");

        suggValue.setAttribute("type", "hidden");

        suggValue.setAttribute("name", "suggValue");

        suggValue.setAttribute("id", "suggValue");

        suggValue.setAttribute("value", airportCode);

        suggText = document.createTextNode(displayText);		

                        

        div.appendChild(suggValue);

        div.appendChild(suggText);       

        suggestDiv.appendChild(div);       

    }

        

    setAirportListPosition(inputField, suggestDiv, suggestFrame, autoSuggest);    

}





//**********************************************************************

// Name			: genRegionalAirportList

// Description	: Parses the XML response from the server, which contains

//				  a regionalized airport list, and renders the list.

// Input		: responseXML - XML response from the server which 

//							    contains the airport list data

//				  inputField - Field containing the user's input

//				  valueField - Hidden field which will be used to store

//							   the airport code if/when one is selected

//				  suggestDiv - Div section where the airport suggestion

//							   list should be placed

//				  origin - String indicating whether suggestions are

//						   for departure or destination airports

//				  airportSectionNr - Unique numeric value indicating the

//								     airport section within the page for

//								  	 which action is to be taken, as

//								     some pages will include multiple

//									 departure/destination sections

// Output		: N/A

//**********************************************************************

function genRegionalAirportList(responseXML, inputField, valueField, suggestDiv, suggestFrame, origin, airportSectionNr) {    

    clearAirportSuggestions(suggestDiv, suggestFrame, origin, airportSectionNr);    

                   

    var regions = responseXML.getElementsByTagName("region");

   

    for (var r=0; r<regions.length; r++) {	    

	    var regionName = regions[r].attributes[0].value;

	    	    

	    div = document.createElement("div");

	    div.style.width = "100%";        

	    div.style.cursor = "default";

	    div.style.paddingLeft = "4px";

	    div.style.fontWeight = "bold";

	    div.style.fontStyle = "italic";	    

        div.appendChild(document.createTextNode(regionName));       

        suggestDiv.appendChild(div);    

	    

	    var airports = regions[r].getElementsByTagName("airport");

	    

	    for (var a=0; a<airports.length; a++) {        

	        var airportCode = airports[a].getElementsByTagName("code")[0].childNodes[0].nodeValue;

	        var displayText = airports[a].getElementsByTagName("text")[0].childNodes[0].nodeValue;

	                

	        div = document.createElement("div");

	        div.style.width = "100%";        

	        div.style.cursor = "default";

	        div.style.paddingLeft = "4px";

	        div.onmouseover = function() { focusOnAirportSuggestion(this, suggestDiv, origin, airportSectionNr); };

	        div.onmouseout = function() { focusOffAirportSuggestion(this, origin, airportSectionNr); };

	        div.onclick = function() { selectAirport(inputField, valueField, suggestDiv, suggestFrame, origin, airportSectionNr, false); };

	                

	        suggValue = document.createElement("input");

	        suggValue.setAttribute("type", "hidden");

	        suggValue.setAttribute("name", "suggValue");

	        suggValue.setAttribute("id", "suggValue");

	        suggValue.setAttribute("value", airportCode);

	        suggText = document.createTextNode(displayText);

	                        

	        div.appendChild(suggValue);

	        div.appendChild(suggText);       

	        suggestDiv.appendChild(div);       

	    }

	}

        

    setAirportListPosition(inputField, suggestDiv, suggestFrame, false);    

}







//**********************************************************************

// Name			: focusOnAirportSuggestion

// Description	: Highlights a particular airport suggestion within the

//				  list.

// Input		: div - Div section containing the suggestion which is

//						to receive focus

//				  suggestDiv - Parent div section containing the entire

//							   airport suggestion list

//				  origin - String indicating whether the suggestion is

//						   for a departure or destination airport

//				  airportSectionNr - Unique numeric value indicating the

//								     airport section within the page for

//								  	 which action is to be taken, as

//								     some pages will include multiple

//									 departure/destination sections

// Output		: N/A

//**********************************************************************

function focusOnAirportSuggestion(div, suggestDiv, origin, airportSectionNr) {    

    var scrollIndex;

    

    //Clear all existing highlights in case the user has switched b/t

    //mouseovers and using the up/down arrows

    for (var i=0; i<suggestDiv.childNodes.length; i++) {

        suggestDiv.childNodes[i].style.backgroundColor="#FFFFFF"; 

        

        if (suggestDiv.childNodes[i] == div) {

            scrollIndex = i;

        }

    }

    

    suggestDiv.childNodes[scrollIndex].style.backgroundColor="#FCE87D";   

    

    if (origin == as_deptOrigin) {        

        as_deptScrollIndex[airportSectionNr] = scrollIndex;        

    }

    else if (origin == as_destOrigin) {

        as_destScrollIndex[airportSectionNr] = scrollIndex;        

    }

}







//**********************************************************************

// Name			: focusOffAirportSuggestion

// Description	: Removes previously applied highlighting from a 

//				  particular airport suggestion within the list.

// Input		: div - Div section containing the suggestion from which

//						focus is to be removed

//				  origin - String indicating whether the suggestion is

//						   for a departure or destination airport

//				  airportSectionNr - Unique numeric value indicating the

//								     airport section within the page for

//								  	 which action is to be taken, as

//								     some pages will include multiple

//									 departure/destination sections

// Output		: N/A

//**********************************************************************

function focusOffAirportSuggestion(div, origin, airportSectionNr) {

    div.style.backgroundColor="#FFFFFF";

    

    if (origin == as_deptOrigin) {        

        as_deptScrollIndex[airportSectionNr] = -1;

    }

    else if (origin == as_destOrigin) {

        as_destScrollIndex[airportSectionNr] = -1;       

    }

}







//**********************************************************************

// Name			: selectAirport

// Description	: Populates the appropriate hidden value field with the

//				  airport code corresponding to the suggestion selected

//				  by the user and and performs any required clean-up 

//				  tasks related to the associated suggestion list.

// Input		: inputField - Field containing the user's input

//				  valueField - Hidden field to be used to store the

//							   airport code that has been selected

//				  suggestDiv - Div section containing the airport

//							   suggestion list

//				  suggestFrame - Associated iFrame

//				  origin - String indicating whether suggestions are

//						   for departure or destination airports

//				  airportSectionNr - Unique numeric value indicating the

//								     airport section within the page for

//								  	 which action is to be taken, as

//								     some pages will include multiple

//									 departure/destination sections

//				  autoSuggest - true if the list is being generated

//								via auto suggest; false if it is 

//								being generated via the full list

//								option

// Output		: N/A

//**********************************************************************

function selectAirport(inputField, valueField, suggestDiv, suggestFrame, origin, airportSectionNr, autoSuggest) {    

    var inputText = inputField.value;

	var inputValue = valueField.value;

    var div;

        

    if (origin == as_deptOrigin) {

        div = suggestDiv.childNodes[as_deptScrollIndex[airportSectionNr]];

    }

    else if (origin == as_destOrigin) {

        div = suggestDiv.childNodes[as_destScrollIndex[airportSectionNr]];

    }

    

    var airportCode = div.childNodes[0].value;

    var displayText = div.childNodes[1].nodeValue;

               

    if (autoSuggest && inputText.replace(/\s/g, "") != "") {

    	trackAirportMatch(origin, inputText, airportCode);

    }

               

    inputField.value = displayText;

    valueField.value = airportCode;

    clearAirportSuggestions(suggestDiv, suggestFrame, origin, airportSectionNr);    

    

    if (origin == as_deptOrigin) {        

        as_deptCurrentInput[airportSectionNr] = displayText;               

    }

    else if (origin == as_destOrigin) {        

        as_destCurrentInput[airportSectionNr] = displayText;        

    }    

}







//**********************************************************************

// Name			: clearAirportSuggestions

// Description	: Clears and hides the airport suggestion list.

// Input		: suggestDiv - Div section containing the airport

//							   suggestion list to be cleared

//				  suggestFrame - Associated iFrame to be cleared

//				  origin - String indicating whether suggestions are

//						   for departure or destination airports

//				  airportSectionNr - Unique numeric value indicating the

//								     airport section within the page for

//								  	 which action is to be taken, as

//								     some pages will include multiple

//									 departure/destination sections

// Output		: N/A

//**********************************************************************

function clearAirportSuggestions(suggestDiv, suggestFrame, origin, airportSectionNr) {

    var listIcon = null;

    var listLength = suggestDiv.childNodes.length;

    

    for (var i=listLength-1; i >=0; i--) {

        suggestDiv.removeChild(suggestDiv.childNodes[i]);

    }

    

    suggestDiv.style.border = "none";

    suggestDiv.style.display = "none";

    suggestFrame.style.display = "none";

    

    if (origin == as_deptOrigin) {

        as_deptScrollIndex[airportSectionNr] = -1;

        listIcon = as_deptListIcon[airportSectionNr];

    }

    else if (origin == as_destOrigin) {

        as_destScrollIndex[airportSectionNr] = -1;

        listIcon = as_destListIcon[airportSectionNr];

    }

    

    if (listIcon != undefined && listIcon != null) {

    	listIcon.setAttribute("src", "/images/booking/aev_tah_plus.gif");

		listIcon.setAttribute("alt", "View complete list");	

		listIcon.className = "tah_plus";	

    }

}







//**********************************************************************

// Name			: checkAirportSelection

// Description	: When a user navigates away from the airport input 

//				  field, determines whether an airport selection

//				  was made and performs any required clean-up tasks 

//				  related to the associated suggestion list.

// Input		: inputField - Field containing the user's input

//				  valueField - Hidden field containing the airport code

//							   if one has been selected

//				  suggestDiv - Div section containing the airport

//							   suggestion list

//				  suggestFrame - Associated iFrame

//				  origin - String indicating whether suggestions are

//						   for departure or destination airports

//				  airportSectionNr - Unique numeric value indicating the

//								     airport section within the page for

//								  	 which action is to be taken, as

//								     some pages will include multiple

//									 departure/destination sections

// Output		: N/A

//**********************************************************************

function checkAirportSelection(inputField, valueField, suggestDiv, suggestFrame, origin, airportSectionNr) {

    var scrollIndex;

    var displayWarning = false;

    

    if (origin == as_deptOrigin) {

        scrollIndex = as_deptScrollIndex[airportSectionNr];    

    }

    else if (origin == as_destOrigin) {

        scrollIndex = as_destScrollIndex[airportSectionNr];    

    }

    

    //User did NOT make a selection

    if (scrollIndex < 0 && valueField.value.length == 0) {        

        var inputText = inputField.value.replace(/\s/g, "");

                

        if (inputText != "" && inputText.length >= as_minInputText) {        	

	        if (suggestDiv.childNodes.length > 0) {	            

		        //If user entered enough text to trigger suggestions and suggestions

		        //were available but none were selected, track this

	        	trackAirportMatch(origin, inputField.value, valueField.value);

		        		        

		        //If the user entered a 3-digit airport code but then navigated

	        	//away from the field without selecting anything, auto-select

	        	//that airport.

		        if (inputText.length == 3) {

		        	var upperInput = inputText.toUpperCase();

		        	var optionDiv = null;

		        	

		        	for (var i=0; i<suggestDiv.childNodes.length; i++) {

		        		optionDiv = suggestDiv.childNodes[i];

		        		if (optionDiv.childNodes[0].value == upperInput) {

		        			//Select the airport and clean up

		        			var airportCode = optionDiv.childNodes[0].value;

						    var displayText = optionDiv.childNodes[1].nodeValue;

						             

						    inputField.value = displayText;

						    valueField.value = airportCode;

						    clearAirportSuggestions(suggestDiv, suggestFrame, origin, airportSectionNr);    

						    

						    if (origin == as_deptOrigin) {        

						        as_deptCurrentInput[airportSectionNr] = displayText;               

						    }

						    else if (origin == as_destOrigin) {        

						        as_destCurrentInput[airportSectionNr] = displayText;        

						    } 

		        			

		        			return;		        			

		        		}

		        	}

		        } //end airport auto-selection check		        

	        } 	        

	        //If user had entered enough text to trigger suggestions and no

	        //suggestions were available, display a warning

	        else if (suggestDiv.childNodes.length == 0) {

	        	displayWarning = true;	

	        }

        }

                        

        //Clear all fields        

        clearAirportSuggestions(suggestDiv, suggestFrame, origin, airportSectionNr);

        inputField.style.color = as_defaultTextColor;

                

        if (origin == as_deptOrigin) {

            as_deptCurrentInput[airportSectionNr] = "";

            inputField.value = as_deptDefaultText;

        }

        else if (origin == as_destOrigin) {

            as_destCurrentInput[airportSectionNr] = "";

            inputField.value = as_destDefaultText;

        }

    }    

    

    if (displayWarning) {

    	var originText = "";

    	

    	if (origin == as_deptOrigin) {

    		originText = "departure";	

    	}

    	else if (origin == as_destOrigin) {

    		originText = "destination";

    	}

    	

    	var warning = "Sorry, no suggestions are available for the " + 

    		originText + " value you entered. Please check your spelling " +    		

    		"or enter a different " + originText + " point.";

    	window.alert(warning);

    	

    	//focus() does not work in Firefox; code below works in both FF and IE

    	setTimeout("document.getElementById('" + inputField.id + "').focus();", 1);

    }

}







//**********************************************************************

// Name			: trackAirportMatch

// Description	: If the browser supports Ajax, sends data to the server

//				  that will be used to track a user input string for

//				  which suggested airports were found.

// Input		: origin - String indicating whether the input was for

//						   a departure or destination airport

//				  inputText - The user input string

//				  airportCode - if the user selected a suggestion from

//								from the list, the airport code

//								corresponding to that suggestion		  

// Output		: N/A

//**********************************************************************

function trackAirportMatch(origin, inputText, airportCode) {    

    var targetURL = "/aev/airport_suggest";  

    var reqParamsString = "target=match&inputText=" + escape(inputText) + 

        "&origin=" + origin + "&airportCode=" + airportCode;        

    var xmlHttpRequest = createXMLHttpRequest();

    

    if (xmlHttpRequest != null) {    	

        xmlHttpRequest.open("POST", targetURL, true);

        xmlHttpRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");

        xmlHttpRequest.send(reqParamsString);

    }

}







//**********************************************************************

// Name			: setAirportListPosition

// Description	: Calculates the location on the page where the airport

//				  suggestion list should be rendered based on the

//				  placement of the associated input field.

// Input		: inputField - Associated field into which the user

//				 			   enters airport input

//				  suggestDiv - Div section where the airport suggestion

//							   list should be placed

//				  suggestFrame - Associated iFrame for the suggestion list

//				  autoSuggest - true if the list is being generated

//								via auto suggest; false if it is 

//								being generated via the full list

//								option

// Output		: N/A

//**********************************************************************

function setAirportListPosition(inputField, suggestDiv, suggestFrame, autoSuggest) {

    var width = inputField.offsetWidth;   

    var left;

    var top;

  

    /* On the AEV landing page, this function does not work when the widget is inserted

     * inside a <div>. It is not able to calculate the offset accurately.

     */

    /*var sitename = document.getElementById("promolandingsearch");
  
    if (sitename)

    {
      alert("IF");
       if (inputField.name == "gatewayDisplay")

       {       

    	   left = 62;

    	   top = 112;

       }

       else

       {

    	   left = 62;

    	   top = 141;

       }

       

       suggestDiv.style.width = "140px"       

       

       if (autoSuggest)

       {

          suggestDiv.style.height = "auto";

       }

       else

       {

          suggestDiv.style.height = "225px";

          suggestDiv.style.overflow = "auto";

       }

    }

    else

    {    
      alert("ELSE");
    	left = calculateOffset(inputField, "offsetLeft");

    	top = calculateOffset(inputField, "offsetTop") + inputField.offsetHeight;

    
      alert("Original ==> "+left+" ==> "+top);
    	if (autoSuggest) {

    		if (width >= 225) {

    			suggestDiv.style.width = width + "px";	    	

    		}

    		else {

    			suggestDiv.style.width = "225px";

    		}

    		suggestDiv.style.height = "auto";

    		suggestDiv.style.overflow = "hidden";

    	}

    	else {    	

    		if (width >= 241) {

    			suggestDiv.style.width = width + "px";    	

    		}

    		else {	    

    			suggestDiv.style.width = "241px";

    		}

    		suggestDiv.style.height = "225px";

    		suggestDiv.style.overflow = "auto";

    	}

    }*/


   if (inputField.name == "gatewayDisplay")

       {       

    	   left = 730;

    	
    	   //top = 627;

		   top = 459;


       }

       else

       {

    	   left = 730;

    	   // top = 684;
		   top = 512;

       }
   
    suggestDiv.style.width = width + "px";
    
    suggestDiv.style.top = top + "px";

    suggestDiv.style.left = left + "px";

    suggestDiv.style.border = "black 1px solid";    

    suggestDiv.style.display = "block";

            
  //alert("End ==> "+left+" ==> "+top);
    suggestFrame.style.left = suggestDiv.style.left;

	suggestFrame.style.top = suggestDiv.style.top;	

	suggestFrame.style.width = suggestDiv.offsetWidth;

	suggestFrame.style.height = suggestDiv.offsetHeight;	

	suggestFrame.style.display = "block";

}







//**********************************************************************

// Name			: calculateOffset

// Description	: Calculates the specified offset for the specified field.

// Input		: field - Field for which an offset is to be calculated

//				  offsetType - Type of offset to be calculated

// Output		: The calculated offset value

//**********************************************************************

function calculateOffset(field, offsetType) {

    var offset = 0;

    var curField = field;

    

    while (curField != undefined && curField.className.indexOf(as_posRefClass) < 0) {

        offset += curField[offsetType];        

        curField = curField.offsetParent;        

    }

     

    return offset;

}







//**********************************************************************

// Name			: checkAirportScroll

// Description	: Checks to see if the user has pressed a key which

//				  should result in a scrolling or a selection action on

//				  the airport suggestion list, and takes the appropriate 

//				  action.

// Input		: event - Browser event (i.e., a key press) that was

//						  captured

//				  inputField - Field containing the user's input

//				  valueField - Hidden field which will be used to store

//							   the airport code if/when one is selected

//				  suggestDiv - Div section containing the airport

//							   suggestion list

//				  origin - String indicating whether suggestions are

//						   for departure or destination airports

//				  airportSectionNr - Unique numeric value indicating the

//								     airport section within the page for

//								  	 which action is to be taken, as

//								     some pages will include multiple

//									 departure/destination sections

// Output		: N/A

//**********************************************************************

function checkAirportScroll(event, inputField, valueField, suggestDiv, suggestFrame, origin, airportSectionNr) {        

    var keyCode;

    

    if (! event) {

        event = window.event;

        keyCode = event.keyCode;

    }

    else {

        if (event.which) {

            keyCode = event.which;            

        }

        else {

            keyCode = event.keyCode;           

        }

    }

        

    switch(keyCode) {

        //Up Arrow

        case 38:

            scrollPreviousAirport(suggestDiv, origin, airportSectionNr);

            break;

            

        //Down Arrow

        case 40:

            scrollNextAirport(suggestDiv, origin, airportSectionNr);

            break;

            

        //Tab or Enter

        case 9:

        case 13:

            if (origin == as_deptOrigin) {

                if (as_deptScrollIndex[airportSectionNr] > -1) {                    

                    selectAirport(inputField, valueField, suggestDiv, suggestFrame, origin, airportSectionNr, true);

                }

            }

            else if (origin == as_destOrigin) {

                if (as_destScrollIndex[airportSectionNr] > -1) {                   

                    selectAirport(inputField, valueField, suggestDiv, suggestFrame, origin, airportSectionNr, true);

                }

            }     

            break;

    }

}







//**********************************************************************

// Name			: scrollNextAirport

// Description	: Highlights the next suggestion in the airport 

//				  suggestion list and removes all other existing 

//				  highlighting.

// Input		: suggestDiv - Div section containing the airport

//							   suggestion list

//				  origin - String indicating whether suggestions are

//						   for departure or destination airports

//				  airportSectionNr - Unique numeric value indicating the

//								     airport section within the page for

//								  	 which action is to be taken, as

//								     some pages will include multiple

//									 departure/destination sections

// Output		: N/A

//**********************************************************************

function scrollNextAirport(suggestDiv, origin, airportSectionNr) {    

    var scrollIndex;

    

    if (origin == as_deptOrigin) {

        scrollIndex = as_deptScrollIndex[airportSectionNr];

    }

    else if (origin == as_destOrigin) {

        scrollIndex = as_destScrollIndex[airportSectionNr];

    }

    

    var listLength = suggestDiv.childNodes.length;

    

    if (listLength > 0 && scrollIndex < (listLength - 1)) {

        if (scrollIndex > -1) {            

            focusOffAirportSuggestion(suggestDiv.childNodes[scrollIndex], origin, airportSectionNr);

        }       

        

        focusOnAirportSuggestion(suggestDiv.childNodes[scrollIndex + 1], suggestDiv, origin, airportSectionNr);                  

    }

}







//**********************************************************************

// Name			: scrollPreviousAirport

// Description	: Highlights the previous suggestion in the airport 

//				  suggestion list and removes all other existing 

//				  highlighting.

// Input		: suggestDiv - Div section containing the airport

//							   suggestion list

//				  origin - String indicating whether suggestions are

//						   for departure or destination airports

//				  airportSectionNr - Unique numeric value indicating the

//								     airport section within the page for

//								  	 which action is to be taken, as

//								     some pages will include multiple

//									 departure/destination sections

// Output		: N/A

//**********************************************************************

function scrollPreviousAirport(suggestDiv, origin, airportSectionNr) {    

    var scrollIndex;

    

    if (origin == as_deptOrigin) {

        scrollIndex = as_deptScrollIndex[airportSectionNr];

    }

    else if (origin == as_destOrigin) {

        scrollIndex = as_destScrollIndex[airportSectionNr];

    }

    

    var listLength = suggestDiv.childNodes.length;

        

    if (listLength > 0 && scrollIndex >= 0) {

        focusOffAirportSuggestion(suggestDiv.childNodes[scrollIndex], origin, airportSectionNr);

                

        if (scrollIndex > 0) {            

            focusOnAirportSuggestion(suggestDiv.childNodes[scrollIndex - 1], suggestDiv, origin, airportSectionNr);

        }              

    }

}