var newWin = null;
function openWin(url, w, h) {
	var props = "width=" + w + ",height=" + h + ",toolbar=no,menubar=no,personalbar=no,copyhistory=no,scrollbars=yes,resizable=yes";
	var handle = "oNewWin";
	if(newWin && !newWin.closed) {
		newWin.focus();
	}
	newWin = window.open(url, handle, props);
}