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 showHideMenuNode(node_id, image_id){
	n = document.getElementById(node_id);
	i = document.getElementById(image_id);
	if(n){
		n.style.display = n.style.display == "none" ? "block" : "none";
		if(i){
			i.src = n.style.display == "none" ? skin_images + "/menu_tree_plus.gif" : skin_images + "/menu_tree_minus.gif";
		}
	}
}


function getElementHeight(Elem) {
	if(ns4){
		var elem = document.getElementById(Elem);
		return elem.clip.height;
	} else {
		if(document.getElementById) {
			var elem = document.getElementById(Elem);
		} else if (document.all){
			var elem = document.all[Elem];
		}
		if (op5) { 
			xPos = elem.style.pixelHeight;
		} else {
			xPos = elem.offsetHeight;
		}
		return xPos;
	} 
}

function getElementWidth(Elem) {
	if (ns4) {
		var elem = document.getElementById(Elem);
		return elem.clip.width;
	} else {
		if(document.getElementById) {
			var elem = document.getElementById(Elem);
		} else if (document.all){
			var elem = document.all[Elem];
		}
		if (op5) {
			xPos = elem.style.pixelWidth;
		} else {
			xPos = elem.offsetWidth;
		}
		return xPos;
	}
}


if(document.layers){
	_browser = "nn";
}
if(document.all){
	_browser = "ie";
}
if(navigator.userAgent.toLowerCase().match("gecko")){
	_browser= "gecko";
}
function isEmail(entry){
	var rex= /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/	
	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 showImage(image_url, image_width, image_height){
	image_width = image_width == "" ? 400 : image_width;
	image_height = image_height == "" ? 380 : image_height;

	var w = screen.width;
	var h = screen.height;
	var ww = image_width * 1 + 30;
	var wh = image_height * 1 + 45;
	var wx = (w - ww)/2;
	var wy = (h - wh)/2;
	
	if(imageWin != null){
		imageWin.close();
	}
	imageWin = null;
	imageWin = window.open(
		"", 
		"ProductImageWindow", 
		"titlebar=yes, toolbar=no, menubar=no, status=no, directories=no, resizable=yes, scrollbars=yes, top=" + wy.toString() + ", left=" + wx.toString() + ", width=" + ww.toString() + ", height=" + wh.toString() + ""
	);
	while(imageWin==null);
	imageWin.focus();
	
	imageWin.document.body.innerHTML = "";
	imageWin.document.write('<body style="padding:5px;margin:0px">');
	imageWin.document.write('<div align="center"><img hspace="0" vspace="0" src="' + image_url + '"></div><br/>');
	imageWin.document.write('<div align="center" style="font-family:arial;font-color:black;font-size:11px;"><a href="javascript:window.close();" style="color:#0000AA;">Close Window</a></div>');
	imageWin.document.write('</body>');
	imageWin.width = ww;
	imageWin.height = wh;
}

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";
}

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;
	}
}
function prepareShowAnswer(){
	var check_obj = document.getElementById("faq_page");
	var column_obj = document.getElementById("column");
	if(check_obj && check_obj.value == "yes" && column_obj){
		var li_objs = column_obj.getElementsByTagName("LI");
		var p_obj = "";
		for(i=0; i<li_objs.length; i++){
			p_obj = li_objs[i].getElementsByTagName("P");
			p_obj[0].style.cursor = "default";
			p_obj[1].style.display = "none"
			if(p_obj.length == 2){
				p_obj[0].onclick = function(){
					showHideP(this.parentNode);
				}
			}
		}
	}
}
function showHideP(parent_obj){
	if(parent_obj){
		var p_obj =  parent_obj.getElementsByTagName("p");
		if(p_obj.length == 2){
			if(p_obj[1].style.display == "none"){
				p_obj[1].style.display = "inline"
			}else{p_obj[1].style.display = "none"}

		}
	}
}
//------------------------------------------------------------------------------- FAQ Pages
function closeFaq(par){
	if(par){
		var p_el = par.getElementsByTagName("DIV")
		for(k=0; k<p_el.length; k++){
			if(p_el[k].className == "content_faq"){
				p_el[k].style.display = "none";	
			}
		}
	}
}
function closeAllBeforeOpenFaq(elem){
	var main_div = document.getElementById("column");
	var p_divs;
	if(main_div && elem){
		var p_element = main_div.getElementsByTagName("DIV");
		if(p_element.length > 0){
			for(i=0; i<p_element.length; i++){
				if(p_element[i].className == "main_faq_el"){
					p_divs = p_element[i].getElementsByTagName("DIV");
					if(p_divs.length > 1){
						for(j=0; j<p_divs.length; j++){
							if(p_divs[j].className == "close_faq" && p_divs[j] != elem){
								openCloseFaq(p_divs[j]);
							}
						}
					}
				}
			}
		}
	}
}
function openCloseFaq(elem){
	if(elem){
		closeAllBeforeOpenFaq(elem);
		if(elem.className == "open_faq"){
			elem.className = "close_faq"
		}else{elem.className = "open_faq"}
		var p_el = elem.parentNode.getElementsByTagName("DIV")
		for(k=0; k<p_el.length; k++){
			if(p_el[k].className == "content_faq"){
				if(elem.className == "open_faq"){
					p_el[k].style.display = "none";	
				}else{p_el[k].style.display = "block";}
			}
		}
	}
}
function faqPrepare(){
	var main_div = document.getElementById("main_text");
	var p_divs;
	if(main_div){
		var p_element = main_div.getElementsByTagName("DIV");
		if(p_element.length > 0){
			for(i=0; i<p_element.length; i++){
				if(p_element[i].className == "main_faq_el"){
					p_divs = p_element[i].getElementsByTagName("DIV");
					if(p_divs.length > 1){
						for(j=0; j<p_divs.length; j++){
							if(p_divs[j].className == "open_faq" || p_divs[j].className == "close_faq"){
								p_divs[j].onclick = function(){
									openCloseFaq(this);
								}
							}
							if(p_divs[j].className == "open_faq"){
								closeFaq(p_divs[j].parentNode);		
							}						
						}
					}
				}
			}
		}
	}
}
//------------------------------------------------------------------------------- FAQ Pages