function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		Carnegie_Header_08_over = newImage("/art/Carnegie_Header_08-over.gif");
		Carnegie_Header_09_over = newImage("/art/Carnegie_Header_09-over.gif");
		Carnegie_Header_10_over = newImage("/art/Carnegie_Header_10-over.gif");
		Carnegie_Header_11_over = newImage("/art/Carnegie_Header_11-over.gif");
		Carnegie_Header_12_over = newImage("/art/Carnegie_Header_12-over.gif");
		Carnegie_Header_13_over = newImage("/art/Carnegie_Header_13-over.gif");
		Carnegie_Header_14_over = newImage("/art/Carnegie_Header_14-over.gif");
		Carnegie_Header_15_over = newImage("/art/Carnegie_Header_15-over.gif");
		preloadFlag = true;
	}
}

function pop(URL) {
	newWindow = window.open(URL,'_blank','toolbar=no,location=no,scrollbars=no,resize=no,width=600,height=400,screenX=0,screenY=100,top=0,left=100');
}

function confirmSubmit() {
	if (confirm("Submit this form?")) {
		return true ;
	}
	else {
		return false;
	}
}

function validRequired(formField,fieldLabel)
{
	var result = true;
	
	if (formField.value == "")
	{
		alert('Please enter a value for the "' + fieldLabel +'" field.');
		formField.focus();
		result = false;
	}
	
	return result;
}

function validateQuoteRequestForm(quoteRequest)
{
	if (!validRequired(quoteRequest.first_name,"First Name"))
		return false;
	if (!validRequired(quoteRequest.last_name,"Last Name"))
		return false;
	if (!validRequired(quoteRequest.work_address_1,"Address"))
		return false;
	if (!validRequired(quoteRequest.work_city,"City"))
		return false;
	if (!validRequired(quoteRequest.work_state,"State"))
		return false;
	if (!validRequired(quoteRequest.work_zip,"Zip"))
		return false;
	if (!validRequired(quoteRequest.email,"Email"))
		return false;
	if (!validRequired(quoteRequest.work_phone_area,"Daytime Phone"))
		return false;
	if (!validRequired(quoteRequest.work_phone_exchange,"Daytime Phone"))
		return false;
	if (!validRequired(quoteRequest.work_phone_local,"Daytime Phone"))
		return false;
	return true;
}