function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

// Redirect
function redirect(Url){
	document.location = Url;
}

// Checkout
function deleteItem(id) {
	frm = document.getElementById('frmBasket');
	frm.action.value = 'deleteItem';
	frm.itemId.value = id;
	frm.submit();
}

// Change additional image for product details
function changeImage(containerId, imageName, imageLocation){
	
	var imageTemplate = new Template('<img src="#{imageLocation}" alt="#{imageName}">');
	
	$(containerId).update(imageTemplate.evaluate({ 
		imageName:imageName, 
		imageLocation:imageLocation 
	}));
	
}

function swapImage(imageId,imageUrl){
	$(imageId).src = imageUrl;
}

// Online Help 
function toggleOnlineHelp(elId) {

	aEls = $$('#OnlineHelp a.Link');

	for(i=0; i < aEls.length; i++)
		aEls[i].removeClassName('Selected');
	
	divEls = $$('#OnlineHelp div');
	for(i=0; i < divEls.length; i++)
		divEls[i].hide();
		
	$('Link' + elId).addClassName('Selected');
	$('Item' + elId).show();
	
}

function openWindow(url, windowWidth, windowHeight, windowProperties) {
	var leftPos = (screen.width - windowWidth) / 2;
	var topPos = (screen.height - windowHeight) / 2 - 40;
	var win = window.open(url,'externalWin','width=' + windowWidth + ', height=' + windowHeight + ', left=' + leftPos + ', top=' + topPos + ', dependent=yes, ' + windowProperties);
	win.focus();
}

function openWindowForCVV(urlroot) {
	openWindow(urlroot + 'popup.cfm?page=cvv', 540, 525);
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function toggleSearch(){
	if ($('SearchContainer').style.display == 'none') {
		Effect.SlideDown('SearchContainer', {
			duration: 1
		});
		Element.addClassName('SearchButton', 'Active');
		var selectEls = document.getElementsByTagName("select");
		for (j = 0; j < selectEls.length; j++) {
			if (selectEls[j].className == 'FormField') {
				selectEls[j].style.display = "";
			}
		}
	}
	else {
		Effect.SlideUp('SearchContainer', {
			duration: 1
		});
		Element.removeClassName('SearchButton','Active');
	}
		
}

function getInternetExplorerVersion()
// Returns the version of Internet Explorer or a -1
// (indicating the use of another browser).
{
  var rv = -1; // Return value assumes failure.
  if (navigator.appName == 'Microsoft Internet Explorer')
  {
    var ua = navigator.userAgent;
    var re  = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
    if (re.exec(ua) != null)
      rv = parseFloat( RegExp.$1 );
  }
  return rv;
}

// Product Details
function showTab(tabId,ContentId){
	var TabElement = document.getElementById("TabMenu").getElementsByTagName("a");
	var ContentElement = document.getElementById("TabContent").getElementsByTagName("div");
	var objTabContent = document.getElementById(ContentId);
	
	for (var i=0; i<TabElement.length; i++)
		TabElement[i].className = "";
	tabId.className = "Selected";
	
	for (var i=0; i<ContentElement.length; i++) {
		if(ContentElement[i].className == "Content")
			ContentElement[i].style.display = "none";
	}
	objTabContent.style.display = "block";
}