window.onload = function() {

	var dateInit = document.ff_fs.dateCheck.value; 

	erCon = new erc(); // Init e-retail connector object                    

	// Only set current date on initial page request when date has not already been initialised
	if (dateInit == "init_no") {
			initDate(document.ff_fs, document.ff_fs.departureMonth, document.ff_fs.departureDay, 3); 
			document.ff_fs.dateCheck.value = "init_yes"; 
	}  
	preloadImgs('/content/images/ie/modules/common/error2.gif', 13, 15,
				'/content/images/ie/modules/common/error3.gif', 15, 18,
				'/content/images/ie/modules/common/progress.gif', 322, 13,
				'/content/images/ie/modules/transitionPage/img_thinkpg_top.gif', 434, 20,
				'/content/images/ie/modules/transitionPage/img_thinkpg_plane.gif', 129, 77,
				'/content/images/ie/modules/transitionPage/logo_thinkpg_aa.gif', 281, 77,
				'/content/images/ie/modules/transitionPage/waiting_animatedCircle.gif', 23, 23,
				'/content/images/ie/modules/transitionPage/txt_thinkpg_1moment.gif', 212, 33,
				'/content/images/ie/banners/aux/tsBanner.jpg', 382, 60,
				'/content/images/ie/modules/transitionPage/img_thinkpg_bot.gif', 434, 24,
				'http://www.aa.com/content/images/thinkPage/grad_bg_thinkpg.gif', 434, 1);     	
}

// VALIDATE FORM AND CALL CONNECTOR
            	          									        
function validateForm() { 

    var errHeadSet = false;
    var isValid = true;

    // Declare COSS variables and set to default value
    var url = "http://americanairlines.eu.amadeus.com/plnext/AAeurope2/Override.action";
    var et = "FlexPricerAvailability";
    var site = "BCDJBCDJ";
    var eid = "IRELAND";
    var lang = "GB";
    var so_pos = "DUB"; 
    var so_ofcId = "DUBAA18AA";
    var so_amOfcId = "DUBAA18AA";
    var so_qOfcId = "UHI";
    var so_sppCfg = "UHI";
    var tf = "YES";
    var cff1 = "ECONOMYEU";
    var cff2 = "PREMIUM";
    var useQDefList = "TRUE";   
    var qDefType = "PEN";
    var qDefCity = "DUB";
    var qDefNbr = "157"; 
    var qDefAction = "10";  
    var pm = "We are processing your request, please wait ..."; 
    var activateOs = "FALSE";
    var activateAs = "TRUE";
    var connEncoding = "iso-8859-1";    
    
    // Override the default booking flow language
    if (typeof(document.forms["ff_fs"]["language"]) != 'undefined') {
        lang = document.forms["ff_fs"]["language"].value;
    }  

    // Declare COOS variables and set to default value
    var sds = "default";   
    var pType = "default";
    var nonStop = "default";
    var drv1 = "default"; 
    var drv2 = "default";  
    var drq1 = "default"; 
    var drq2 = "default";
    var fromPage = "default";

    // Declare COAS variables and set to default value
    var custParamName1 = "MATRIX_CALENDAR";   
    var custParamValue1 = "FALSE";
    var custParamName2 = "default";
    var custParamValue2 = "default";
    var custParamName3 = "default";   
    var custParamValue3 = "default";
    var custParamName4 = "default";
    var custParamValue4 = "default"; 
    var custParamName5 = "default";   
    var custParamValue5 = "default";
    var custParamName6 = "default";
    var custParamValue6 = "default";
    var custParamName7 = "default";   
    var custParamValue7 = "default";
    var custParamName8 = "default";
    var custParamValue8 = "default";    

    // User defined parameter values
    var orig = document.forms["ff_fs"]["origin"];
    var dest = document.forms["ff_fs"]["destination"];
    var tripType = document.forms["ff_fs"]["tripType"];
    var depMonth = document.forms["ff_fs"]["departureMonth"];
    var depDay = document.forms["ff_fs"]["departureDay"];
    var depTime = document.forms["ff_fs"]["departureTime"];
    var retMonth = document.forms["ff_fs"]["returnMonth"];
    var retDay = document.forms["ff_fs"]["returnDay"];
    var retTime = document.forms["ff_fs"]["returnTime"];
    var classOfService = document.forms["ff_fs"]["classOfServicePreference"];
    var numAdt = document.forms["ff_fs"]["adultPassengerCount"];
    var numChd = document.forms["ff_fs"]["childPassengerCount"];
    var st = document.forms["ff_fs"]["searchType"]; 

    // Declare DEMV variables
    var errorHeader = "The following error(s) occured"; 
    var invalDepCty = "Please provide us with a departure city and try again.";                              
    var invalArrCty = "Please provide us with a return city and try again."; 
    var obOutOfRange = "We can only display departing flights up to 331 days from today.";
    var ibOutOfRange = "We can only display flights returning within the next 331 days.";
    var invalTimeCombo = "Your return time cannot be on or before your departure time.";
    var sameDayNoTimeSpec = "For same-date return flights, please specify your flight times.";                            
    var paxCountExceeds7 = "The maximum total number of passengers you can book online is 7.";      
        
    // Checks if dropdown of free search is being used
    if (document.forms["ff_fs"]["originFreeSearch"].value == "true") {
        orig = orig.value;
    } 
    else {
        orig = orig.options[orig.selectedIndex].value;    
    }

    if (document.forms["ff_fs"]["destinationFreeSearch"].value == "true") {
	    dest = dest.value;
	} 
	else {
	    dest = dest.options[dest.selectedIndex].value;    
    }
    
    // Clear any previous error messages before validating form
    fsError.clearError('error', 'span'); 
    fsError.clearError('ffSf','label');                                                                    

    /**** 
     * ER00004 - Added 19/09/08
     * Regex for permitted characters, anything outside of this range will be rejected
     * Permitted characters = Extended latin chars and a-z case is ignored
     **/

    var rePcr = /[^a-z\s\u00e0-\u00ef\u00f1-\u00f6\u00f8-\u00fc]/i;     

    // Calculate total passenger count

    var ttlPaxCount = parseInt(numAdt.options[numAdt.selectedIndex].value) + parseInt(numChd.options[numChd.selectedIndex].value);

    
    if (orig == "" || rePcr.test(orig)) {  

	    if (!errHeadSet) {
		    fsError.setMessageHeader('error', errorHeader, 'SFError', '/content/images/ie/modules/common/error3.gif'); 
		    errHeadSet = true; 
	    }   

	    fsError.setMessage('error', invalDepCty); 
	    fsError.setAlert('from', '/content/images/ie/modules/common/error2.gif'); 
	    isValid = false;

    }

    if (dest == "" || rePcr.test(dest)) { 

	    if (!errHeadSet) {
		    fsError.setMessageHeader('error', errorHeader, 'SFError', '/content/images/ie/modules/common/error3.gif');
		    errHeadSet = true;
	    } 

	    fsError.setMessage('error', invalArrCty);
	    fsError.setAlert('to', '/content/images/ie/modules/common/error2.gif');
	    isValid = false;                                      
    }

    if (ttlPaxCount > 7) { 

	    if (!errHeadSet) {
		    fsError.setMessageHeader('error', errorHeader, 'SFError', '/content/images/ie/modules/common/error3.gif');
		    errHeadSet = true;
	    } 

	    fsError.setMessage('error', paxCountExceeds7);
	    fsError.setAlert('adult', '/content/images/ie/modules/common/error2.gif');
	    isValid = false;                                      
    }                                                                             

    // Check if outbound date is within permitted range of 331 days
    if (!checkDateRange(depMonth.options[depMonth.selectedIndex].value, depDay.options[depDay.selectedIndex].value, 0, 0, 0, 331, true)) {                                                                  

	    if (!errHeadSet) {
		    fsError.setMessageHeader('error', errorHeader, 'SFError', '/content/images/ie/modules/common/error3.gif');
		    errHeadSet = true; 
	    }  

	    fsError.setMessage('error', obOutOfRange);
	    fsError.setAlert('depDate', '/content/images/ie/modules/common/error2.gif');

	    if (tripType.value != "O") {
		    fsError.setMessage('error', ibOutOfRange);
		    fsError.setAlert('retDateLbl', '/content/images/ie/modules/common/error2.gif');
	    }                                             

	    isValid = false;                                   
    }              

    // If trip type selected is not one-way check if return date is within permitted range of 331 days & in chronological order
    if (checkDateRange(depMonth.options[depMonth.selectedIndex].value, depDay.options[depDay.selectedIndex].value, 0, 0, 0, 331, true)) {

	    var obYear = getYear(depMonth.options[depMonth.selectedIndex].value, depDay.options[depDay.selectedIndex].value);

	    if (tripType.value != "O") {

		    if (!checkDateRange(retMonth.options[retMonth.selectedIndex].value, retDay.options[retDay.selectedIndex].value, obYear, depMonth.options[depMonth.selectedIndex].value, depDay.options[depDay.selectedIndex].value, 331, false)) {

			    if (!errHeadSet) {
				    fsError.setMessageHeader('error', errorHeader, 'SFError', '/content/images/ie/modules/common/error3.gif');
				    errHeadSet = true; 
			    }

			    fsError.setMessage('error', ibOutOfRange);
			    fsError.setAlert('retDateLbl', '/content/images/ie/modules/common/error2.gif');
			    isValid = false;                                                                               
		    }                         
	    }
    }                

    if (isValid) {                                   

	    // Calls e-retail connector and constructs form for flexpricer requests                                           
	    erCon.flexPricerBuild(url, et, site, eid, lang, so_pos, so_ofcId, so_amOfcId, so_qOfcId, so_sppCfg, tf, cff1, cff2, useQDefList, qDefType, qDefCity, qDefNbr, qDefAction,
				  pm, activateOs, activateAs, orig, dest, tripType.value, depMonth.options[depMonth.selectedIndex].value, depDay.options[depDay.selectedIndex].value,
				  depTime.value, retMonth.options[retMonth.selectedIndex].value, retDay.options[retDay.selectedIndex].value,
				  retTime.value, classOfService.value, numAdt.options[numAdt.selectedIndex].value,
				  numChd.options[numChd.selectedIndex].value, sds, pType, nonStop, drv1, drv2, drq1, drq2, fromPage, custParamName1, custParamValue1,
				  custParamName2, custParamValue2, custParamName3, custParamValue3, custParamName4, custParamValue4, custParamName5, custParamValue5,
				  custParamName6, custParamValue6, custParamName7, custParamValue7, custParamName8, custParamValue8, st.value, connEncoding);                                                                 


    }

}