function popUp(url, pageWidth, pageHeight)

{

      var args = "menubar=no,toolbar=no,location=no,directories=no,"

		  + "status=no,scrollbars=no,resizable=no,dependent,width="

		  + pageWidth + ",height=" + pageHeight + ",scrollbars,resizable";

      var date = new Date();

      var now = date.getTime();

      var name = (now).toString(10);



      window.open(url,name,args);

}



function preload(image, url)

{

  if (document.images)

  {

    eval(image + '	= new Image()');

    eval(image + '.src	= "' + url + '"');

  }

}



function change(name, image)

{

  document.images[name].src = eval(image + '.src')

}