/* Chiude tutte le tipologie dello stesso livello */
function close_same_levels(ref){
	var level=ref.lang;
	var ref_cid=ref.id.replace("tip_id_","");

	var els=document.getElementsByTagName("ul");

	for(var i=0;i<els.length;i++){

		var cid=els[i].id.replace("parent_id_","");

		
		if(cid!="root" && cid!=""){

			if(document.getElementById("tip_id_"+cid).lang==level && cid!=ref_cid){

				document.getElementById("parent_id_"+cid).style.display="none";
			}
		}
	}

	return true;
};


/* Espande le sottotipologie o visualizza i prodotti */
function manage_tip_click(ref){
	var album_id=ref.id.replace("tip_id_","");

	if(document.getElementById("parent_id_"+album_id)){

		var pref=document.getElementById("parent_id_"+album_id);

		if(pref.style.display=="none"){
			pref.style.display="block";
		}
		else{
			pref.style.display="none";
		}

		close_same_levels(ref);
	}


	/* Ricostruisce il percorso dell'ALBUM in base al DOM */
	var trails=new Array();

	try{
		/* primo livello */
		if(ref.parentNode.parentNode.previousSibling.tagName=="LI"){

			trails[1]=ref.parentNode.parentNode.previousSibling.id.replace("tip_id_","");

			try{
				/* secondo livello */
				if(ref.parentNode.parentNode.parentNode.parentNode.previousSibling.tagName=="LI"){

					trails[0]=ref.parentNode.parentNode.parentNode.parentNode.previousSibling.id.replace("tip_id_","");
				}
			}
			catch(e){}
		}
	}
	catch(e){}

	trails[2]=album_id;

	var bread_trails=encodeHex(trails.join("__"));


	send_xhtml_request("admin/ajax.php","function=show_album_gallery&args="+bread_trails+"_"+album_id,document.getElementById("embed_gallery"),null);


	/* Riscrive l'HASH della pagina */
	document.location.href=document.location.href.replace(document.location.hash,"")+"#"+album_id;

	return true;
};


/* Imposta la sottolineatura alla tipologia */
function set_underline(ref){
	if(ref.style.textDecoration=="none"){
		ref.style.textDecoration="underline";
	}
	else{
		ref.style.textDecoration="none";
	}

	return true;
};


/* Riapre la foglia dell'albero e la sezione associata in base all'hash dell'URL */
window.onload=function(){

	if(document.location.hash.indexOf("#")!=-1){

		var album_id=document.location.hash.replace("#","");

		var ref=document.getElementById("tip_id_"+album_id);

		if(ref.parentNode.id!="root" && ref.parentNode.tagName=="UL"){

			ref.parentNode.style.display="block";

			if(ref.parentNode.parentNode.parentNode.id!="root" && ref.parentNode.parentNode.parentNode.tagName=="UL"){

				ref.parentNode.parentNode.parentNode.style.display="block";
			}
		}

		manage_tip_click(ref);
	}
	return true;
};