window.addEvent('domready',function(){

	//SUBMENU DESPLEGADO
	if(nodo_id){
		var elem_nodo=$('node'+nodo_id);
		try{
			elem_nodo.getParent().setStyle('display','block');
			elem_nodo.getFirst().addClass('menu_activo');
		}catch(ex){}
		try{
			elem_nodo.getLast().setStyle('display','block');
		}catch(ex){}
		try{
			elem_nodo.getParent().getParent().getParent().setStyle('display','block');
		}catch(ex){}
	}

	
//MENU  ACORDEON
		
	var elements=[];
	var togglers=[];
	
	$$('#menu_arbol a').each(function(el){
		var ul=el.getNext();
		if(ul && el.getParent().getParent().id=='menu_arbol'){
			el.addEvent('click',function(event){
				event=new Event(event);
				event.preventDefault();
				return false;
			});
		togglers.push(el);
		elements.push(ul);
		}
		
		/*
		if(el.getParent().hasClass('formulario')){
			el.onclick=function(){
				popUp(this.href,513,400,true);
				return false;
			}
			$$('a').each(function(a){
				if(a.href==el.href) a.onclick=el.onclick;
			});
		}*/
		
	});
	
	//var show=-1;//todo cerrado
	var show = 0; //abro la primera opción del árbol
	
	for(var k=0;k<elements.length;k++){
		if(elements[k].getElementById('node'+nodo_id)){
			show=k;
		}
	}
		
	var accordion = new Accordion(togglers, elements, {
			alwaysHide:true,
			show:show,
			display:false
		});		

var IE6 = (navigator.appVersion.indexOf("MSIE 6.")==-1) ? false : true;
var IE7 = (navigator.appVersion.indexOf("MSIE 7.")==-1) ? false : true;

if(IE6==false && IE7==false) {
$$('.mo').each(function(el) {
      var imagen = el.getFirst();
     var src =  imagen.getProperty('src');
       var extension = src.substring(src.lastIndexOf('.'),src.length)
       imagen.addEvent('mouseenter', function() { imagen.setProperty('src',src.replace(extension,'-hover' + extension)); });
       imagen.addEvent('mouseleave', function() { imagen.setProperty('src',src); });
     });
}
});