function imgchange (id, object) {

 	if (window.document.images[id]) {
  		
		window.document.images[id].width = object.width;
		window.document.images[id].height = object.height;
		window.document.images[id].src = object.src;
	}
}

function textchange (id, text) {
	if (document.getElementById(id)){
		document.getElementById(id).innerHTML = text;
	}
}

function readcookie(name) {

	if (document.cookie == '') { 
    
   		return false;
	} 
	else {
	
    	var firstChar, lastChar;
		var complete = document.cookie;
		firstChar = complete.indexOf(name);
	
   		if (firstChar != -1)  {
	
			firstChar += name.length + 1;
	    	lastChar = complete.indexOf(';', firstChar);
			if(lastChar == -1) lastChar = complete.length;
	    
			return unescape(complete.substring(firstChar, lastChar));

		}
		else {
	
			return false;
		}
    }
}

function update_topwarenkorb () {

	if ( document.getElementById("cartnum").firstChild ) {
		
		var cart;
		
		if (cart=readcookie("cart")) {
			
			var cartdata;
			
			if (cartdata=cart.split("|")) {
			
				if (cartdata[1]!='') {
				
					document.getElementById("cartnum").firstChild.nodeValue = cartdata[0];
					document.getElementById("carttotal").firstChild.nodeValue = cartdata[1];
					return true;
				}
			}
		}
	}
	
	return false;
}