function change_attribute() {
	var attribform=document.getElementById('attribform');
	if (attribform) {
		attribform.submit();
		}
	}
function check_attribute_form() {
  var attribform=document.getElementById('attribform');
  if (attribform) {
    attribform.style.display='block';
    }
  
  var attrib_link_wrap=document.getElementById('attrib_link_wrap');
  if (attrib_link_wrap) {
    attrib_link_wrap.style.display='none';
    }
  
  var attribsubmit=document.getElementById('attribsubmit');
  if (attribsubmit) {
    attribsubmit.style.display='none';
    }

  }
function set_product_img (imgid,imgname) {
	var topproductimg=document.getElementById('topproductimg');
	if (topproductimg) {
		var imgfile='/media/image/'+imgid+'.'+imgname;
		if (topproductimg.src!=imgfile)  {	
			// topproductimg.src=imgfile;
			topproductimg.style.backgroundImage="url("+imgfile+")";
			}
		if (product_images) {
			for (var i = 0; i < product_images.length; ++i) {
				var tnwrap=document.getElementById('i'+product_images[i]+'tnwrap');
				if (tnwrap) {
					if (product_images[i]==imgid) tnwrap.style.cursor='default';
					else tnwrap.style.cursor='pointer';
					}
				}
			}
		return false;
		}
	else return true;
	}
	
function addNet(url,titel) {
	if ((typeof window.sidebar=="object") && (typeof window.sidebar.addPanel=="function")){
		window.sidebar.addPanel(titel,url,"");
		}
	else {
		alert("Sie Nutzen eine veralterte Netscape Version!\nLesezeichen hinzufügen ist nicht möglich!");
		}
	}
function lesezeichenFavorit() {
	var url=window.location.href,t=document.title,ap=navigator.appName;
	if (ap=="Microsoft Internet Explorer") { 
		window.external.AddFavorite(url,t);
		}
	else { 
		if(ap=="Netscape"){
			addNet(url,t);
			}
		else {
			alert("Mit ihren Browser ist kein Lesezeichen über Javascript möglich.\nBitte legen sie das Lesezeichnen manuell an.\nURL:"+url);
			};
		}
	};