function currencyFormat(fld, milSep, decSep, e) {
  var sep = 0;
  var key = '';
  var i = j = 0;
  var len = len2 = 0;
  var strCheck = '0123456789';
  var aux = aux2 = '';
  var whichCode = (window.Event) ? e.which : e.keyCode;

  if (whichCode == 13) return true;  // Enter
  if (whichCode == 8) return true;  // Delete
  
  key = String.fromCharCode(whichCode);  // Get key value from key code
  
  if (strCheck.indexOf(key) == -1) return false;  // Not a valid key
  len = fld.value.length;
  for(i = 0; i < len; i++)
    if ((fld.value.charAt(i) != '0') && (fld.value.charAt(i) != decSep)) break;
    aux = '';
        for(; i < len; i++) 
            if (strCheck.indexOf(fld.value.charAt(i))!=-1) aux += fld.value.charAt(i);
            aux += key;
            len = aux.length;
  if (len == 0) fld.value = '';
  if (len == 1) fld.value = '0'+ decSep + '0' + aux;
  if (len == 2) fld.value = '0'+ decSep + aux;
  if (len > 2) {
    aux2 = '';
    for (j = 0, i = len - 3; i >= 0; i--) {
      if (j == 3) {
        aux2 += milSep;
        j = 0;
      }
      aux2 += aux.charAt(i);
      j++;
    }
    fld.value = '';
    len2 = aux2.length;
    for (i = len2 - 1; i >= 0; i--)
    fld.value += aux2.charAt(i);
    fld.value += decSep + aux.substr(len - 2, len);
  }
  return false;
}


function checkAmount(fld, waarde, textbox){
   if (waarde === undefined) { var waarde = "3.00";  } 
   if (textbox === undefined) { var textbox = true;  }
   if (textbox){ 
        var value=fld.value.split('.'); 
   } else {
        var value=fld.split('.'); 
   }
   var valuecheck=waarde.split('.');   
   
   var value1 = parseInt(value[0]+value[1]);
   var value2 = parseInt(valuecheck[0]+valuecheck[1]);

   if (value1 < value2) {
           alert("Vul minimaal een bedrag van "+waarde+" euro in.");
           return false;
   } else if ( value[0] == 0 || value[0] == "" ) {
        alert("Het bedrag is te laag vul minimaal "+waarde+" euro in");
        return false;  
   }    
   //alert("waarde."+value[0]+value[1]);
   return true;
}