function showLogin(objName) {
	var obj=document.getElementById(objName);
	if (obj.style.display == "none"){
		obj.style.display = "block";
	}
	else{
		obj.style.display = "none";
	}
}

function showMenu(objName) {
	var obj=document.getElementById(objName);
	obj.style.display = "none";
}