//JavaScript code developed by Luca Reghellin - email@reghellin.com

//versione: 1.2
//settato per sottomenu giffati e che restano aperti e accesi nella sezione relativa
//necessita di utilities.js per le rilevazioni di ambienti

var activeMenu, activeOpener, lockedButton, lockedMenu = null;
var timer;

/* UTILITIES */

//b:stringa = id pulsante
//m:stringa = id menu
//level2:numero = indice pulsante livello 2 
function setLockedButton(b,m,level2){
	lockedButton=document.getElementById(b);
	lockedButton.style.backgroundPosition = "0px -20px";
	
	if(m != null){
		lockedMenu=document.getElementById(m);
		lockedMenu.style.display = "block";
		var nodo = (br.expWin)?0:1;
		var lvl2 = document.getElementById(m).childNodes[nodo].childNodes[level2].firstChild;
		lvl2.style.backgroundPosition = "0px -18px";
	}
}

/* MAIN */

function Menu(buttonId,menuId){

	this.button = (br.strd)?document.getElementById(buttonId):null;
	
	if(menuId != null){
		this.menuStyle = (br.strd)?document.getElementById(menuId).style:null;
		this.button.menuStyle = this.menuStyle;
		//this.menuStyle.visibility = "hidden";
		this.menuStyle.display = "none";
		this.button.obj=menuId+"funk";
		eval(this.button.obj+"=this.button");
	}
	
	else{ this.menuStyle = null; }
	
	
	this.button.hide = function(){
		
		if(activeMenu){ activeMenu.display="none";  activeMenu=null; }
		if(activeOpener){ activeOpener.style.backgroundPosition = "0 0"; activeOpener=null; }
		

		if(lockedButton){
			lockedButton.style.backgroundPosition = "0 -20px";
			if(lockedMenu != null){ lockedMenu.style.display = "block"; }
			activeOpener = null;
			activeMenu = null;
		}
	}

	
	
	this.button.timerShow=function(){
		clearTimeout(timer);
		
		this.menuStyle.display = "block";
		this.style.backgroundPosition = "0 -20px";
		activeMenu = this.menuStyle; activeOpener = this;
		//alert(typeof activeOpener);
		timer = setTimeout(this.obj+".hide()",8000);
	}

	this.button.onclick = function(){
		if(menuId != null){
			
			if(this.menuStyle.display == "none"){
				this.timerShow();
				if(this != lockedButton){
					if(lockedMenu != null){
						lockedButton.style.backgroundPosition = "0 0";
						lockedMenu.style.display = "none"; 
						}
				}
			}
			else{ this.hide(); if(timer != 'undefined'){ clearTimeout(timer); } }
			
			return false;
		}
	}

	
	this.button.onmouseover = function(){
		this.style.backgroundPosition = "0 -20px";
		
		if(activeOpener){
			if(activeOpener.style != this.style){
				activeOpener.style.backgroundPosition = "0 0";
			}
		}
		
		if(activeMenu){  
			activeMenu.display="none";
			if(menuId != null){
				this.timerShow(); 
			}
		}
	}
	
	////
	
	this.button.onmouseout = function(){
		if((activeOpener != this) && (lockedButton != this)){
			this.style.backgroundPosition="0 0";
		}
	}
	
}


function init(){
	for(var i=0; i<init.arguments.length; i+=3){
		eval(init.arguments[i]+'=new Menu(init.arguments[i+1],init.arguments[i+2])');
	}
}