// JavaScript Document

if (!document.getElementById)
    document.getElementById = function() { return null; }

function initializeMenu( menuId, actuatorId ) {
    //alert(menuId);
	var menu = document.getElementById( menuId );
    var actuator = document.getElementById( actuatorId );

    if (menu == null || actuator == null) return;
    
	actuator.onclick = function() {
        var display = menu.style.display;
		menu.style.display = (display != "none") ? "none" : "block";
        return false;
    }
}

window.onload = function(){
	initializeMenu("menuActividadesMenu", "menuActividadesActuator");	
	//var menu = document.getElementById( "asdf" );
	//alert( menu.clientHeight );
}