var PopWin = "";
function jsPopup(url, wid, ht, left, top) {
	if (PopWin == "" || PopWin.closed || PopWin.name == undefined) {
		PopWin = window.open(url, "popupview",
			"scrollbars=1,toolbar=0,status=0,menubar=0,resizable=1,width="
			+ wid + ",height=" + ht + ",left=" + left + ",top=" + top);
	} else {
		PopWin.location = url;
		PopWin.focus();
	}
	return false;  // so the main window doesn't follow the link too
}