function addItemToCart(guid,qty,funktion){
		var url = '/shop/prototype.asp';
		var pars = 'qty=' + qty + '&itemGuid=' + guid + '&funktion=' + funktion + '&prototypeGuid=1' ;
		//alert(pars);
		var myAjax = new Ajax.Updater(
			'smallCart', 
			url,
			{
				method: 'get', 
				parameters: pars
				//onSuccess: addItemToCartSuccess
			});
		
	}
	
	//function addItemToCartSuccess(){
	 // new Effect.Highlight('smallCart');
	//}

  function submitenter(myfield,e,guid,qty) {
  var keycode;
  if (window.event) keycode = window.event.keyCode;
  else if (e) keycode = e.which;
  else return true;

  if (keycode == 13)
     {
     addItemToCart(guid,qty);
     return false;
     }
  else
     return true;
  }

  function changeItemPicture(smallImageObj, mediumImageId) {
    var mediumImageSrc = smallImageObj.src.replace("/small/", "/medium/");
    
    var mediumImageObj = document.getElementById(mediumImageId);
    mediumImageObj.src = mediumImageSrc;
  }
  function itemImagePopUp(imageObj) {
    var largeImageSrc = imageObj.src.replace("/medium/", "/large/");
    window.open(largeImageSrc, '', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=540,height=420');
  }