function pop(url, width, height){
  popup = window.open(url, 'popup', 'width=' + width + ',height=' + height + ',scrollbars=yes,resizable=yes');
  popup.focus();
  return;
}
function pops(url, width, height){
  popups = window.open(url, 'popups', 'width=' + width + ',height=' + height + ',scrollbars=yes,resizable=yes');
  popups.focus();
  return;
}
function preload(){
  var imageArr = new Array();
  for (x=0; x<preload.arguments.length; x++){
    imageArr[x] = new Image();
    imageArr[x].src = preload.arguments[x];
  }
}