function WinOpen(url,id,width,height){
    msgWin=window.open(url,id,'status=no,toolbar=no,menubar=no,directories=no,resizable=yes,width=' + width + ',height=' + height + ',left=0,top=0,screenX=0,screenY=0');
  }

	function switchImage(imgName, imgSrc){
		if (document.images) {
			if (imgSrc != "none") {
				document.images[imgName].src = imgSrc;
			}
		}
	}