/******************************************
**
**	DROP DOWN MENÜ
**
******************************************/

var ddm=0;				// handler für aktives dropdown menü
var closetimer	= null;

function showMenu(id) {
	hideMenu();
	stopClose();
	ddm = document.getElementById(id);
	ddm.style.display = "block";
}

function hideMenu() {
	if (ddm) ddm.style.display = "none";
}

function startClose() {
	closetimer = window.setTimeout(hideMenu, 500);
}

function stopClose() {
	if(closetimer) 	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}