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 == null) {
            this.showMenu();
	}
        else {
            currentMenu.style.visibility = "hidden";
			this.showMenu();
        }
    }

	menu.onmouseover = function() {
	}
  	menu.onblur = function() {
		alert("Asdf");
	}

    actuator.onclick = function() {
		if ( currentMenu.style.visibility = "visible" ) {
			currentMenu.style.visibility = "hidden";
		}
		else {
			this.showMenu();
		}

		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;
    }
}