function mark_current() {
	if(self.mc != undefined) {
		if(document.all) {
			var m_c = document.all[mc];
		} else if (document.getElementById) {
			var m_c = document.getElementById(mc);
		}
	if (m_c) m_c.className = "menuceil_current";
	}
	if(self.lc != undefined) {
		if(document.all) {
			var l_c = document.all[lc];
		} else if (document.getElementById) {
			var l_c = document.getElementById(lc);
		}
	if (l_c) l_c.className = "current";
	}
}