var menuList = new Array("join_m", "hot_m", "search_m" ,"ask_m", "attend_m", "browse_m", "read_m", "advance_m");
var timer = null;
var pauseIt = null;


function showMenu(MenuName) {
clearTimeout(timer);
hideMenus();
menuToChange = MenuName;
pauseCount = 0;
pauseIt = setTimeout("showMenuNow();", 300);
}
function showMenuNow() {
//alert(MenuName);
document.getElementById(menuToChange).style.visibility = 'visible';
clearTimeout(pauseIt);


}
	function hideMenus() {
for(i=0;i < menuList.length;i++) {
	document.getElementById(menuList[i]).style.visibility = 'hidden';
	}
}

function OverLayer() {
	clearTimeout(timer);
}

function OutLayer() {
	clearTimeout(pauseIt);
	clearTimeout(timer);
	timer = setTimeout("hideMenus();pageTab();", 300);
}