function preloadImages() 
{
  if (!document.images) return;
  var img = new Array();
  var arg = preloadImages.arguments;
  for (var i = 0; i < arguments.length; i++) 
  {
    img[i] = new Image();
    img[i].src = arguments[i];
  }
}

function printWindow(){
bV = parseInt(navigator.appVersion)
if (bV >= 4) window.print()}

function noframes(){
if (top.location != self.location) 
top.location = self.location; }

function clearDefault(el) {
  if (el.defaultValue==el.value) el.value = ""
}