function checkForm(){
	var obj = document.getElementsByName("UDValue4");
	var checkedValue = false;
	for(var i=0;i<obj.length;i++){
		if(obj[i].checked){
			checkedValue = true;
			break;
		}
	}
	if(!checkedValue){
		alert('Please select at least one vehicle.');
		return;
	}
	if(isEmpty('FirstName')){
		alert('FirstName is empty');
		return;
	}
	if(isEmpty('LastName')){
		alert('LastName is empty');
		return;
	}
	if(isEmpty('Email')){
		alert('Email is empty');
		return;
	}
	if(isEmpty('EmailConfirm')){
		alert('Email Confirm is empty');
		return;
	}
	if(document.getElementById('Email').value != document.getElementById('EmailConfirm').value){
		alert('The Email is Different');
		return;
	}
	var formobj= document.getElementById('helpCenterRequestForm');
	var checkObj = formobj.UDValue4;
	//var thankYouURLBase = formobj.ThankYou.value+ "?";//BASE_CONTEXT + '/pages/mds/helpcenter/thankYouRequest.do?';
	var firstVehicleSelected = true;
	if(checkObj !=null && checkObj.length > 0){
		var thankYouURL = thankYouURLBase + "?";
		formobj.comment.value ="Selected Following vehicles";
		for (var i = 0; i != checkObj.length; i++) {
			if(checkObj[i].checked){
				if(firstVehicleSelected){
					firstVehicleSelected = false;
				}else{
					thankYouURL += "&";
				}
				thankYouURL += "selectedvehicle="+checkObj[i].value;
				formobj.comment.value += "\n"+checkObj[i].value;
			}
		}
		formobj.ThankYou.value = getRelativePath() + thankYouURL;
	}
	formobj.submit();
}

function isEmpty(name){
	if(document.getElementById(name).value == "")
		return true
	else
		return false
}

function activateTab(tab){
	hideAllTabs();
	document.getElementById("tab"+tab).className = "tabSelected";
	document.getElementById("content"+tab).className = "displayedArea";
	if ( requestInfoActiveTab != tab ) {
		trackingTabs(tab);
		requestInfoActiveTab = '';
	}
}

function trackingTabs(whichTab,doTrack){
	if ( typeof doTrack == 'undefined' ) doTrack = true;
	var parts = ['download-brochure','download-brochures','event9','index'];
	if ( whichTab == 'Email' )
		parts = ['get-email-updates','get-email-updates','event1,event13','start'];
	var trackObj = {
		pageName:	'bu:no:US:en:index:tools:'+parts[0],
		hier1:		'index,tools,'+parts[1],
		events:		parts[2],
		prop11:		parts[1],
		prop16:		parts[0],
		prop21:		BRAND.toLowerCase()+': northamerica: usa: nscwebsite: en: index: tools: '+parts[0],
		prop33:		'divisional | '+parts[0],
		prop34:		parts[0]+' | index',
		prop35:		'divisional | '+parts[0]+' | '+parts[3]
	};
	if ( doTrack ) clickTrack(trackObj);
	return trackObj;
}

function trackingPDF(pdfUrl){
	var trackObj = trackingTabs('Brochure',false);
	trackObj.events = 'event10';
	trackObj.eVar3 = 'download';
	trackObj.prop27 = 'pdf';
	trackObj.pev2 = 'buick:us:index:download-brochures';
	trackObj.prop32 = 'buick:us:download-brochures:pdf:' + pdfUrl;
	clickTrack(trackObj);
}
function hideAllTabs(){

 document.getElementById("tabEmail").className = "tabNoSelected";
 document.getElementById("contentEmail").className = "hiddenArea";
 document.getElementById("tabBrochure").className = "tabNoSelected";
 document.getElementById("contentBrochure").className = "hiddenArea";
 
}