function SwitchMenu(obj) {
	if (document.getElementById) {
		var el = document.getElementById(obj);
		var ar = document.getElementById("cont").getElementsByTagName("div");
		if (el.style.display == "none") {
			for (var i=0; i<ar.length; i++) {
				ar[i].style.display = "none";
			}
			el.style.display = "block";
		} else {
			el.style.display = "none";
		}
	}
}


function SwitchMenu2() {
	if (document.getElementById) {
		var el = document.getElementById('post');
		var ar = document.getElementById("cont").getElementsByTagName("div");
		if (el.style.display == "none") {
			for (var i=0; i<ar.length; i++) {
				ar[i].style.display = "none";
			}
			el.style.display = "block";
		} 
	}
}

}