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_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_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];}
}


function openpopup(url, width, height) {
	var param = "scrollbars=1,height=" + height + ",width=" + width;
	newwindow=window.open(url,'name',param);
	if (window.focus) {newwindow.focus()}
	return false;
}


function openPage(url) {
	self.location = url;
}


function showLargePicture(id) {
	document.images['largeimg'].src = "";
	document.images['largeimg'].src = "img/items/" + id + "_l.jpg";

	var element = document.images['largeimg'];
	element.setAttribute("class", "visible-large-image");
	element.className = "visible-large-image";	// for IE
}

function hideLargePicture() {
	var element = document.images['largeimg'];
	element.setAttribute("class", "hidden-large-image");
	element.className = "hidden-large-image";	// for IE
}


function updateCompareFilterAmounts(step, products) {
	var count = 0;
	var checkBoxObj;

	// Loop thought all products/checkboxes. Check how many products are matching the filter
	for (i=0; i<products.length; i++) {
		for (k=0; k<amountOfCheckBoxes; k++) {
			checkBoxObj = document.getElementById('s' + step + 'chk' + k);

			if (checkBoxObj.checked && products[i].substr(k,1)=='1') {
				count++;
				break;
			}
		}
	}
	
	document.getElementById("compareamountslabel").innerHTML = count;
}