var ns4 = document.layers;
var op5 = (navigator.userAgent.indexOf("Opera 5")!=-1)||(navigator.userAgent.indexOf("Opera/5")!=-1);
var op6 = (navigator.userAgent.indexOf("Opera 6")!=-1)||(navigator.userAgent.indexOf("Opera/6")!=-1);
var agt=navigator.userAgent.toLowerCase();
var mac = (agt.indexOf("mac")!=-1);
var ie = (agt.indexOf("msie") != -1); 
var mac_ie = mac && ie;

var imageWin = null;

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;
}    

//***
function findTop(obj) {
    var curtop = 0;
    if (obj.offsetParent) {
        do {
            curtop += obj.offsetTop;
        } while (obj = obj.offsetParent);
    }
    return curtop;
}

function findLeft(obj) {
    var curleft = 0;
    if (obj.offsetParent) {
        do {
            curleft += obj.offsetLeft;
        } while (obj = obj.offsetParent);
    }
    return curleft;
}

function showImage(image_url, image_width, image_height, pid, level, parent, img_type){
    // reposition enlarge_image div
    var top = getRealTop(document.getElementById("product_image"));
    var left = getRealLeft(document.getElementById("product_image"));
    
    xajax_processAjaxAction("enlarge_image", image_url, image_width, image_height, top, left, pid, level, parent, img_type);
}

function closeImage(tdHeight){
    xajax_processAjaxAction("close_image", tdHeight);
}
//***

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(msg_confirm_delete_item)){
		document.location = CartDeleteItemUrl + '&ocid=' + ocid;
	}
}
function CartConfirmEmpty(){
	if(confirm(msg_confirm_empty_cart)){
		document.location = CartEmptyUrl;
	}
}

//***
    var menuTimer = 0; 
    
    function menuon(){
        clearTimeout(menuTimer);    
    }
    
    function menuoff(){
        menuTimer = setTimeout("closedisplay()", 500);   
    }
    
    function displaynav(div, body){
        var closediv="about_us_nav";
        document.getElementById(closediv).style.display = "none";
        
        var closediv="category_nav";
        document.getElementById(closediv).style.display = "none";
        
        var closediv="instore_category_nav";
        document.getElementById(closediv).style.display = "none";
        
        var top = getRealTop(document.getElementById("catnav"));
        var left = getRealLeft(document.getElementById("catnav"));
        
        document.getElementById(div).style.display = "block";
        document.getElementById(div).style.top = (top)+"px";
        
        if(div == "about_us_nav"){
            document.getElementById(div).style.left = (left+395)+"px";
        }else if(div == "instore_category_nav"){
            document.getElementById(div).style.left = (left+455)+"px";
        }else if(div == "category_nav"){
            document.getElementById(div).style.left = (left+533)+"px";
        } 
    }
    
    function closedisplay(){
        var div="about_us_nav";
        document.getElementById(div).style.display = "none";
        
        var div="category_nav";
        document.getElementById(div).style.display = "none";
        
        var div="instore_category_nav";
        document.getElementById(div).style.display = "none";
    }
//***