if(document.layers){
	_browser = "nn";
}
if(document.all){
	_browser = "ie";
}
if(navigator.userAgent.toLowerCase().match("gecko")){
	_browser= "gecko";
}
function isEmail(entry){
	var rex= /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,5})(\]?)$/;
	return rex.test(entry);
}

function delay(gap){ /* gap is in millisecs */
	var then, now; 
	then = new Date().getTime();
	now = then;
	while((now-then) < gap){
		now=new Date().getTime();
	}
}

function EnlargeImage(url, w, h){
	if(bWin){
		bWin.close();
	}
	var bWin = null;
	var ww = w*1+20;
	var hh = h*1+20;
	if(ww < 100)ww = 100;
	if(hh < 100)hh = 100;
	bWin = window.open(
		url,
		"ZoomImgWin", 
		"titlebar=yes, toolbar=no, menubar=no, status=yes, directories=no, resizable=yes, scrollbars=no, top=20, left=20, width=" + ww + ", height=" + hh
	);
	while(bWin==null);
	bWin.focus();
	bWin.moveTo(20, 20);
	bWin.resizeTo(ww+15, hh+50);
}

function showPrinterPage(url){
	var prWin = null;
	prWin = window.open(
		url,
		"PrintVer", 
		"titlebar=yes, toolbar=no, menubar=yes, status=yes, directories=no, resizable=yes, scrollbars=yes, top=20, left=20, width=810, height=600"
	);
	while(prWin==null);
	prWin.focus();
}

function OnButton(bt){
	document.images[bt].src = skin_images + bt + "_on.gif";
	
}
function OffButton(bt){
	document.images[bt].src = skin_images + bt + "_off.gif";
}

function OnMenu(cid){
	document.images["menul_" + cid].src = skin_images + "catl_bg_on.gif";
	document.all["menur_" + cid].background = skin_images + "catr_bg_on.gif";
}
function OffMenu(cid){
	document.images["menul_" + cid].src = skin_images + "catl_bg_off.gif";
	document.all["menur_" + cid].background = skin_images + "catr_bg_off.gif";
}
var RecentTimeOut, CartTimeOut;

function ShowCart(){
	window.clearTimeout(CartTimeOut);
	if(_browser == "ie"){
		cartDiv.style.visibility = 
			cartDiv.style.visibility == "hidden"?"visible":"hidden";
			document.images["cartImage"].src =
				cartDiv.style.visibility == "hidden"?
				(skin_images + "ic_expand.gif"):
				(skin_images + "ic_collapse.gif");
	}
	else if(_browser == "gecko"){
		document.getElementById('cartDiv').style.visibility = 
			document.getElementById('cartDiv').style.visibility == "hidden"?"visible":"hidden";
		document.images["cartImage"].src =
			document.getElementById('cartDiv').style.visibility == "hidden"?
			(skin_images + "ic_expand.gif"):
			(skin_images + "ic_collapse.gif");
	}
	else{
		document.cartDiv.visibility = document.cartDiv.visibility  == "hidden"?"visible":"hidden";
	}
}


function ShowRecent(){
	window.clearTimeout(RecentTimeOut);
	if(_browser == "ie"){
		recentDiv.style.visibility = 
			recentDiv.style.visibility == "hidden"?"visible":"hidden";
		document.images["recentImage"].src =
			recentDiv.style.visibility == "hidden"?
			(skin_images + "ic_expand.gif"):
			(skin_images + "ic_collapse.gif");
	}
	else if(_browser == "gecko"){
		document.getElementById('recentDiv').style.visibility = 
			document.getElementById('recentDiv').style.visibility == "hidden"?"visible":"hidden";
		document.images["recentImage"].src =
			document.getElementById('recentDiv').style.visibility == "hidden"?
			(skin_images + "ic_expand.gif"):
			(skin_images + "ic_collapse.gif");
	}
	else{
		document.recentDiv.visibility = document.recentDiv.visibility  == "hidden"?"visible":"hidden";
	}
}

function PopUpCart(){
	CartTimeOut = window.setTimeout('ShowCart();', 1000);
}

function PopUpRecent(){
	RecentTimeOut = window.setTimeout('ShowRecent();', 1000);
}

function OnMenu(img){
	document.images[img].src = skin_images + "menu_arrow_on.gif";
}
function OffMenu(img){
	document.images[img].src = skin_images + "menu_arrow.gif";
}

function ShowPopup(src){
	var bWin = null;
	bWin = window.open(
		src, 
		"PopupWind", 
		"titlebar=no, toolbar=no, menubar=no, status=no, directories=no, resizable=no, scrollbars=no, top=20, left=20, width=320, height=240"
	);
	while(bWin==null);
	bWin.focus();
}

function PopUpImage(image_source, image_width, image_height){
	var bWin = null;
	bWin = window.open(
		image_source, 
		"ImageWind", 
		"titlebar=no, toolbar=no, menubar=no, status=no, directories=no, resizable=no, scrollbars=no, top=20, left=20, width=" + (image_width + 20) + ", height=" + (image_height + 20)
	);
	while(bWin==null);
	bWin.focus();
}

function ConfirmLogout(){
	if(orderItemsCount > 0){
		if(confirm("You have items in your cart. Logging out will empty your cart\nAre you sure want to continue?")){
			document.location = urlLogout;
		}
	}
	else{
		if(confirm("Do you really want to logout?")){
			document.location = urlLogout;
		}
	}
}

function CartConfirmDeleteItem(ocid){
	if(confirm("Do you really want delete selected item?")){
		document.location = CartDeleteItemUrl + '&ocid=' + ocid;
	}
}
function CartConfirmEmpty(){
	if(confirm("Do you really want empty cart?")){
		document.location = CartEmptyUrl;
	}
}

<!-- //*** -->
function ShowPopup_Feedback(src){
	var bWin = null;
	bWin = window.open(
		src, 
		"PopupWind", 
		"titlebar=no, toolbar=no, menubar=no, status=no, directories=no, resizable=no, scrollbars=no, top=20, left=20, width=430, height=350"
	);
	while(bWin==null);
	bWin.focus();
}

function findPosX(obj)
  {
    var curleft = 0;
    if(obj.offsetParent)
        while(1) 
        {
          curleft += obj.offsetLeft;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.x)
        curleft += obj.x;
    return curleft;
  }

  function findPosY(obj)
  {
    var curtop = 0;
    if(obj.offsetParent)
        while(1)
        {
          curtop += obj.offsetTop;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.y)
        curtop += obj.y;
    return curtop;
  }
  
  function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	return [curleft,curtop];
	
	function getRealLeft(el) {
		xPos = el.offsetLeft;
		tempEl = el.offsetParent;
		while (tempEl != null) {
			xPos += tempEl.offsetLeft;
			tempEl = tempEl.offsetParent;
		}
		return xPos;
	}
	
	function getRealTop(el) {
		yPos = el.offsetTop;
		tempEl = el.offsetParent;
		while(tempEl != null){
			yPos += tempEl.offsetTop;
			tempEl = tempEl.offsetParent;
		}
		return yPos;
	}
}
<!-- //*** -->