var win= null;
function NewWindow(mypage,myname,w,h, sb)
{
	var winl = (screen.width-w)/2;
	var wint = (screen.height-h)/2;
	var settings  ='height='+h+',';
	settings +='width='+w+',';
	settings +='top='+wint+',';
	settings +='left='+winl+',';
	settings +='toolbar=no,';
	settings +='location=no,';
	settings +='scrollbars='+sb+',';
	settings +='status=no,';
	settings +='resizable=yes,';
	settings +='fullscreen=no';
	
	win=window.open(mypage,myname,settings);
	if(parseInt(navigator.appVersion) >= 4)
	{
		win.window.focus();
	}
}