function openNewWindow(u,n,w,h,typ)
{
	if (typ=="normal") 
	{
		if (w==0 && h==0) 
		{
			w=screen.availWidth-200
			h=screen.availHeight-200
		}
		l=(screen.availWidth-w)/2
		t=10
		wd=window.open(u,n,"left=" + l + ",top=" + t + ",width=" + w + ",height=" + h + ", toolbar=yes, menubar=yes, status=yes, location=yes, directories=yes, resizable=yes, scrollbars=yes", "true")
		wd.focus()
	}
	else if(typ=="small")
	{
		l=(screen.availWidth-w)/2
		t=(screen.availHeight-w)/2
		wd=window.open(u,n,"left=" + l + ",top=" + t + ",width=" + w + ",height=" + h + ", toolbar=no, menubar=no, status=no, location=no, directories=no, resizable=no, scrollbars=no", "false")
		wd.focus()
	}
}