/*
 * 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 browser_type=navigator.appName
	var browser_version=parseInt(navigator.appVersion)

	if (browser_type=="Netscape"&&browser_version==4){
		var menu=document.layers[menuId];
		var actuator=document.layers[actuatorId];
		browDOM=false;
	}else{
		var menu = document.getElementById(menuId);
		var actuator = document.getElementById(actuatorId);
		browDOM=true;
	}
    if (menu == null || actuator == null) return;

    //if (window.opera) return; // I'm too tired

	if(browDOM){
		
		actuator.onmouseout = function() {
			if (currentMenu) {
				currentMenu.style.visibility = "hidden";
				// this.showMenu();
				currentMenu=null;
			}
		}
		
		actuator.onmouseover = function() {
			if (currentMenu == null) {
				this.showMenu();
			}else{
				currentMenu.style.visibility = "hidden";
				currentMenu = null;
			}
			return false;
		}
		
		menu.onmouseover = function() {
			if (currentMenu == null) {
				actuator.showMenu();
			}
			return false;
		}
		
		menu.onmouseout = function(){
			if (currentMenu) {
				currentMenu.style.visibility = "hidden";
				//this.showMenu();
				currentMenu=null;
			}
		}
		
		actuator.showMenu = function() {
			menu.style.left = this.offsetLeft+149+"px";
			menu.style.top = this.offsetTop+116+"px";
			menu.style.visibility = "visible";
			currentMenu = menu;
		}
	}else if (document.layers){
		//actuator.onmouseout = function() {
			//if (currentMenu) {
				//currentMenu.visibility = "hidden";
				// this.showMenu();
				//currentMenu=null;
			//}
		//}
		
		actuator.onmouseover = function() {
			if (currentMenu == null) {
				this.showMenu();
			}else{
				currentMenu.visibility = "hidden";
				currentMenu = null;
				this.showMenu();
			}
			return false;
		}
		
		menu.onmouseover = function() {
			if (currentMenu == null) {
				actuator.showMenu();
			}
			return false;
		}
		
		menu.onmouseout = function(){
			if (currentMenu) {
				currentMenu.visibility = "hidden";
				//this.showMenu();
				currentMenu=null;
			}
		}
		
		actuator.showMenu = function() {
			menu.x = this.x+149;
			menu.y = this.y +116;
			menu.visibility = "visible";
			currentMenu = menu;
			alert(this.y)
		}
	}
}