//preload imgs
image1 = new Image();
image1.src = "images/nav_About.gif";
image2 = new Image();
image2.src = "images/nav_consumableKits.gif";
image3 = new Image();
image3.src = "images/nav_refurbished.gif";
image4 = new Image();
image4.src = "images/nav_spareParts.gif";
image5 = new Image();
image5.src = "images/nav_repair.gif";
image1a = new Image();
image1a.src = "images/nav_About_over.gif";
image2a = new Image();
image2a.src = "images/nav_consumableKits_over.gif";
image3a = new Image();
image3a.src = "images/nav_refurbished_over.gif";
image4a = new Image();
image4a.src = "images/nav_spareParts_over.gif";
image5a = new Image();
image5a.src = "images/nav_repair_over.gif";

imgBGstd = new Image();
imgBGstd.src = "images/feature_bg.gif";
imgBGfull = new Image();
imgBGfull.src = "images/bg_scannerSpecialist.gif";

//handle links on page [stand-in for #]
function LoadPage(){
	var bPage = false;
	bPage = true;
}

function showLayer(NewLayerID){
	//obtain current active layer
	var oldLayer = document.getElementById("CurrentLayer").value;
	//turn off current layer (if exists)
	if (oldLayer != ''){ 
		document.getElementById(oldLayer).style.visibility = 'hidden';
		document.getElementById(oldLayer).style.display = 'none';
		 if ((oldLayer != 'Privacy') && (oldLayer != 'ContactUs')){
			//turn off old tab
			var imgName = 'img' + oldLayer;
			document.getElementById(imgName).src = "images/nav_" + oldLayer + ".gif";
		}
	}
	
	if ((NewLayerID != 'Privacy') && (NewLayerID != 'ContactUs')){ 
		//turn on new tab
		var imgNameNew = 'img' + NewLayerID;
		document.getElementById(imgNameNew).src = "images/nav_" + NewLayerID + "_over.gif";		
	}
	
	//turn on new layer
	document.getElementById(NewLayerID).style.visibility = 'visible';
	document.getElementById(NewLayerID).style.display = 'inline';
	//set the current active layer ID
	document.getElementById("CurrentLayer").value = NewLayerID;
	//set the page presentation
	if ((NewLayerID == 'ScannerSpecialist') || (NewLayerID == 'Privacy') || (NewLayerID == 'ContactUs')) {
		//FULLSCREEN - hide right side and bottom links
		document.getElementById("RightSide").style.visibility = 'hidden';
		document.getElementById("RightSide").style.display = 'none';
		document.getElementById("featureArea").style.width = '750px';
		document.getElementById("featureArea").style.height = '500px';
		document.getElementById("featureArea").style.backgroundImage = 'url(' + imgBGfull.src + ')';
		document.getElementById("MainBottom").style.visibility = 'hidden';
		document.getElementById("MainBottom").style.display = 'none';	
	}
	else{
		if ((oldLayer == 'Privacy') || (oldLayer == 'ContactUs') || (oldLayer == 'ScannerSpecialist')){
			//STANDARD - show right side and bottom links
			document.getElementById("RightSide").style.visibility = 'visible';
			document.getElementById("RightSide").style.display = 'inline';
			document.getElementById("featureArea").style.width = '555px';
			document.getElementById("featureArea").style.height = '288px';	
			document.getElementById("featureArea").style.backgroundImage = 'url(' + imgBGstd.src + ')';	
			document.getElementById("MainBottom").style.visibility = 'visible';
			document.getElementById("MainBottom").style.display = 'inline';	
		}		
	}
}


function closeAlert(){ 
	document.getElementById("Alert").style.visibility = 'hidden';
	document.getElementById("Alert").style.display = 'none';	
}

//rollovers
function swapImg(id,imgSrc){
	var CurrLayer = document.getElementById("CurrentLayer").value;
	var CurrImg = 'img' + CurrLayer;
	
	if (CurrImg != id){ 
	//only mouseout if img isn't active
	document.getElementById(id).src = imgSrc;
	}
}

//form validation 
function ValidateForm(){

	var errList = '';
	var bErr = false;
	var errIntro = 'Please complete the following required field(s):\n\n';

	if (document.getElementById("txtName").value == ''){
		errList = errList + 'Name\n';
	}
	if (document.getElementById("txtEmail").value == ''){
		errList = errList + 'E-mail\n';
	}
	if (document.getElementById("txtPhone").value == ''){
		errList = errList + 'Phone\n';
	}
	if (document.getElementById("txtCompany").value == ''){
		errList = errList + 'Company\n';
	}
	if (document.getElementById("txtAddress1").value == ''){
		errList = errList + 'Address1\n';
	}
	if (document.getElementById("txtCity").value == ''){
		errList = errList + 'City\n';
	}
	if (document.getElementById("txtState").value == ''){
		errList = errList + 'State\n';
	}
	if (document.getElementById("txtCountry").value == ''){
		errList = errList + 'Country\n';
	}
	if (document.getElementById("txtZip").value == ''){
		errList = errList + 'Zip\n';
	}	
	if (document.getElementById("DdlPurpose").selectedIndex <= 0){
		errList = errList + 'Reason for your contact\n';
	}					
	//process results
	if (errList != ''){
		alert(errIntro + errList);
		return false;
	}
	else{
		//document.getElementById("frmDepot").action = "processForm.asp";
		document.getElementById("frmDepot").submit();
		return true;
	}
}