function openWin() { 
h=window.screen.height;
w=window.screen.width;

	if (navigator.appName == "Microsoft Internet Explorer")
	{
	hg=h;
	}else
	{
	w=w-100;
	hg=h-75;
	}
	features="width="+w+",height="+h;

	winName="Child_win";

	theURL="indexf.php?w="+w+"&h="+hg;


  window.open(theURL,winName,features);
}