function fClickMenupoint(_nId) {
	parent['menu'].location.href = "sysMenu.php?nId=" + _nId;
	fCheckMenupoint(_nId);
}
function fCheckMenupoint(_nId) {
	for(i = 0; i < document.getElementsByTagName("a").length; i++) {
		if(document.getElementsByTagName("a")[i].className == "menu_checked") {
			document.getElementsByTagName("a")[i].className = "menu";
		}
	}
	fId("link_" + _nId).className = "menu_checked";
}