var prevLayer = "";
var intPrevTab = "";

if (document.images)
{
	var pic1= new Image(32,87);
	var pic2= new Image(32,87);
	var pic3= new Image(44,103);
	var pic4= new Image(12,174);
	pic1.src = "http://www.boscovstravel.com/images/Engine%20Tabs/vacations_tab_green_01.gif";
	pic2.src = "http://www.boscovstravel.com/images/Engine%20Tabs/vacations_tab_green_02.gif";
	pic3.src = "http://www.boscovstravel.com/images/Engine%20Tabs/vacations_tab_green_03.gif";
	pic4.src = "http://www.boscovstravel.com/images/Engine%20Tabs/vacations_tab_green_04.gif";
}

function changeState(layerRef,intTab) {
	highlightTab(intTab)
	if (prevLayer != "")
		document.getElementById(prevLayer).style.display = "none";
	document.getElementById(layerRef).style.display = "block";
	prevLayer = layerRef;
}

function highlightTab(intTab) {

	objTabLinks = document.getElementsByTagName("img");

	prevTab = "menuBar_" + intPrevTab;
	currTab = "menuBar_" + intTab;
	for (i=0;i<objTabLinks.length; i++){

		//alert(objTabLinks[i].name + "==" + currTab);
		if (objTabLinks[i].name == prevTab)

			objTabLinks[i].src = "http://www.boscovstravel.com/images/header/menuBar_" + intPrevTab + ".gif";
		if (objTabLinks[i].name == currTab)
			objTabLinks[i].src = "http://www.boscovstravel.com/images/header/menuBarSelected_" + intTab + ".gif";
	}
	intPrevTab = intTab;
}

function changeTab(strTab) {
	if (strTab == "c") {
		//document.images.cruisestab_01.src = "http://www.boscovstravel.com/images/Engine%20Tabs/cruises_tab_green_01.gif";
		//document.images.cruisestab_02.src = "http://www.boscovstravel.com/images/Engine%20Tabs/cruises_tab_green_02.gif";
		//document.images.cruisestab_03.src = "http://www.boscovstravel.com/images/Engine%20Tabs/cruises_tab_green_03.gif";
		//document.images.cruisestab_04.src = "http://www.boscovstravel.com/images/Engine%20Tabs/cruises_tab_green_04.gif";
		document.getElementById('fraEngine').src = "cruisebox.2.asp";
	}
	else {
		//document.images.cruisestab_01.src = "http://www.boscovstravel.com/images/Engine%20Tabs/vacations_tab_green_01.gif";
		//document.images.cruisestab_02.src = "http://www.boscovstravel.com/images/Engine%20Tabs/vacations_tab_green_02.gif";
		//document.images.cruisestab_03.src = "http://www.boscovstravel.com/images/Engine%20Tabs/vacations_tab_green_03.gif";
		//document.images.cruisestab_04.src = "http://www.boscovstravel.com/images/Engine%20Tabs/vacations_tab_green_04.gif";
		document.getElementById('fraEngine').src = "TI/searchbox.asp";
	}
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}
function changeImagesArray(array) {
	if (preloadFlag == true) {
		var d = document; var img;
		for (var i=0; i<array.length; i+=2) {
			img = null; var n = array[i];
			if (d.images) {img = d.images[n];}
			if (!img && d.getElementById) {img = d.getElementById(n);}
			if (img) {img.src = array[i+1];}
		}
	}
}
function changeImages() {
	changeImagesArray(changeImages.arguments);
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		pre_request_quote_after = newImage('images/request_quote_after.gif');
		preloadFlag = true;
	}
}