var showMenu = new Array();
showMenu['menu_carrier']=false;
showMenu['menu_enterprise']=false;
showMenu['menu_community']=false;
showMenu['menu_aboutUs']=false;

// Rollovers
function doToggle(id,mode) {
	if (mode) {
		if (document.getElementById(id)){
			document.getElementById(id).src = '/css/img/'+id+'_over.gif';
		} else if (document.getElementById(id+'_act')) {
			document.getElementById(id+'_act').src = '/css/img/'+id+'_act.gif';
		}
		if (document.getElementById('dd_'+id)) {
			document.getElementById('dd_'+id).style['visibility'] = 'visible';
		} else {
			if(id.indexOf("_act")) {
				if (document.getElementById('dd_'+id.substr(0, id.indexOf("_act")))) {
					document.getElementById('dd_'+id.substr(0, id.indexOf("_act"))).style['visibility'] = 'visible';
				}
			}
		}
	} else {
		if (document.getElementById(id)) {
			document.getElementById(id).src = '/css/img/'+id+'.gif';
		} else if (document.getElementById(id+'_act')) {
			document.getElementById(id+'_act').src = '/css/img/'+id+'_act.gif';
		}
		if (document.getElementById('dd_'+id)) {
			document.getElementById('dd_'+id).style['visibility'] = 'hidden';
		} else {
			if(id.indexOf("_act")) {
				if (document.getElementById('dd_'+id.substr(0, id.indexOf("_act")))) {
					document.getElementById('dd_'+id.substr(0, id.indexOf("_act"))).style['visibility'] = 'hidden';
				}
			}
		}
	}
}

function checkMenuVis() {
	for (i in showMenu) {
		if(i.indexOf("_act") == -1) {
			doToggle(i,showMenu[i] || showMenu['dd_'+i]);
		} else {
			doToggle(i,showMenu[i] || showMenu['dd_'+i.substr(0, i.indexOf("_act"))]);
		}
	}
	window.setTimeout('checkMenuVis()',200);
}
checkMenuVis();