function popChild(url, width, height, winName) {
	var features = "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=" + width + ",height=" + height;
	if (winName == "") {
		winName = "childWin";
	}
	SmallWin = window.open(url,winName,features);
	if (window.focus) {
		SmallWin.focus();
	}
}