/* 
 * menuDropdown.js - implements an dropdown menu based on a HTML list
 * Author: Dave Lindquist (http://www.gazingus.org)
 */

var currentMenu = null;

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

function initializeMenu(menuId, actuatorId) {
    var menu = document.getElementById(menuId);
    var actuator = document.getElementById(actuatorId);
    if (menu == null || actuator == null) return;
    actuator.onmouseover = function() {
        if (currentMenu) {
            currentMenu.style.visibility = "hidden";
            this.showMenu();
        }
    }
    actuator.onclick = function() {
        if (currentMenu == null) {
            this.showMenu();
        }
        else {
            currentMenu.style.visibility = "hidden";
            currentMenu = null;
        }
        return false;
    }
    actuator.showMenu = function() {
        menu.style.left = this.offsetLeft + "px";
        menu.style.top = this.offsetTop + this.offsetHeight + "px";
        menu.style.visibility = "visible";
        currentMenu = menu;
    }
}
  window.onload = function() {
            initializeMenu("organismeMenu", "organismeActuator");
            initializeMenu("activitesMenu", "activitesActuator");
            initializeMenu("accessibiliteMenu", "accessibiliteActuator");
            initializeMenu("journalMenu", "journalActuator");
            initializeMenu("annoncesMenu", "annoncesActuator");
            initializeMenu("liensMenu", "liensActuator");
            initializeMenu("joindreMenu", "joindreActuator");
        }