function formatCurrency(strValue)
{
   strValue = strValue.toString().replace(/\$|\,/g,'');
   dblValue = parseFloat(strValue);

   blnSign = (dblValue == (dblValue = Math.abs(dblValue)));
   dblValue = Math.floor(dblValue*100+0.50000000001);
   intCents = dblValue%100;
   strCents = intCents.toString();
   dblValue = Math.floor(dblValue/100).toString();
   if(intCents<10)
      strCents = "0" + strCents;
   if (strCents == '00')
      strCents = '-';
   for (var i = 0; i < Math.floor((dblValue.length-(1+i))/3); i++)
      dblValue = dblValue.substring(0,dblValue.length-(4*i+3))+','+
      dblValue.substring(dblValue.length-(4*i+3));
   return (((blnSign)?'':'-') + '&euro; ' + dblValue + ',' + strCents);
}

function updatePrice(iNew)
{
   document.getElementById('productPrice').innerHTML = 'Prijs:  '+ formatCurrency(iNew);
}