if (parseInt(navigator.appVersion)>3)
{
  window.onresize = null;
  window.onresize = function () {
	var overlay = document.getElementById('overlay');
	 if (navigator.appName=="Netscape")
	 {
	  winW = window.innerWidth-17;
	  winH = window.innerHeight;
	 }
	 if (navigator.appName.indexOf("Microsoft")!=-1)
	 {
	  winW = document.body.offsetWidth;
	  winH = document.body.offsetHeight;
	 }
	newW = winW;
	newH = winH;
	
	overlay.style.height = newH+"px";
	overlay.style.width = newW+"px";
	}
}