function popup(page,h,w) {
	var height=300;
	var width=400;
	if (h != null && h > 0) {height=h}
	if (w != null && w > 0) {width=w}
	popupWin = window.open(page,"popup","scrollbars=yes,locationbar=yes,menubar=yes,status=yes,resizable=yes,height="+height+",width="+width);
	popupWin.focus();
}