function FormatNumber(num)
  {
    if(isNaN(num)) { num = "0"; }
    sign = (num == (num = Math.abs(num)));
    num = Math.floor(num*100+0.50000000001);
    cents = num%100;
    num = Math.floor(num/100).toString();
    if(cents<10) { cents = "0" + cents; }
    for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
    {
      num = num.substring(0,num.length-(4*i+3))+','+ num.substring(num.length-(4*i+3));
    }
    return (((sign)?'':'-') + num + '.' + cents);
  }
  
 function showPrice(form)
 {  
   var myTotalPrice = 0;
   var showUP = 0;
   var myMathProblem = "";
   myItemPrice = parseFloat(form.nuPrice.value);
   for (var i = 0; i < form.elements.length; i++)
   {
     var e = form.elements[i];
     if ( e.type == 'select-one' )
     {
       showUP = 1;
       Item = e.selectedIndex;
       try{
       myPrice = e.options[Item].text;
       }
       catch(ex){
       }
       myDollarSign = myPrice.indexOf("(",0)
       if ( myDollarSign != "-1" )
       {
         myParSign = myPrice.indexOf(")", myDollarSign);
         myAttributeString = myPrice.substring(myDollarSign+1, myParSign);
         myAttributeString = myAttributeString.replace(/,/,"");
         myAttributePrice = parseFloat(myAttributeString);
         myMathProblem = myPrice.charAt(myDollarSign - 1);
      } else { myAttributePrice = 0; }
         if (myMathProblem == "-")
         {
           myTotalPrice = myTotalPrice - myAttributePrice;
         } else {
           myTotalPrice = myTotalPrice + myAttributePrice;
         }
     }
   }  
   if ( showUP )
   {
       myTotalPrice = FormatNumber(myTotalPrice + myItemPrice);
       document.getElementById("productNEWprice").innerHTML = myTotalPrice + "EUR";
   }
 }