function openwin(url)
{
	var isIE = (navigator.appName.indexOf("Microsoft")!= -1)?1:0; 
	var opts = "toolbar=no,location=no,directories=no,status=no,scrollbars=yes,resizeable=no	,copyhistory=no,menubar=no,width=815,height=650";
	
if (isIE)
	{
		var height = screen.availheight - 82;
		var left = parseInt(( screen.availwidth - 815 ) / 2); 
		window.open(url,"NewWindow","toolbar=no,location=no,directories=no,status=no,scrollbars=yes,resizeable=no,copyhistory=no,menubar=no,width=815,height="+height+",left="+left+",top=25");
	}
	else
		window.open(url,"NewWindow",opts);
}