function openNode(node, level) {
	function ajaxResOpenNode(data) {
		var nodes = data.nodes;

		for (var i = 0; i<nodes.length; i++) {
			/*var htmlToAppend = '<div id="container-id-'+nodes[i].id+'">';
			htmlToAppend += '<div id="node-id-'+nodes[i].id+'" ';
			htmlToAppend += 'node-id="'+nodes[i].id+'" ';
			htmlToAppend += 'level="'+nodes[i].level+'" ';
			htmlToAppend += 'cat="'+node.attr("cat")+'" ';
			htmlToAppend += 'leaf="'+((nodes[i].is_leaf) ? 1 : 0)+'" ';
			htmlToAppend += 'class="level-node-'+nodes[i].level+' ';
			htmlToAppend += 'cat-node-'+node.attr("cat")+'">';
			htmlToAppend += "<div class='node-container'>"+nodes[i].ramodescrizione+"</div></div></div>";*/

			var htmlToAppend = '<li id="node-id-'+nodes[i].id+'" ';
			htmlToAppend += 'node-id="'+nodes[i].id+'" ';
			htmlToAppend += 'level="'+nodes[i].level+'" ';
			htmlToAppend += 'cat="'+node.attr("cat")+'" ';
			htmlToAppend += 'leaf="'+((nodes[i].is_leaf) ? 1 : 0)+'" ';
			htmlToAppend += 'class="level-node-'+nodes[i].level+' ';
			htmlToAppend += (i==nodes.length-1) ? 'last-node ' : "";
			htmlToAppend += 'cat-node-'+node.attr("cat")+'">';
			htmlToAppend +=  "<div class='node-container'>"+nodes[i].ramodescrizione+"</div>";
			htmlToAppend += (!nodes[i].is_leaf) ? "<ul id='list-id-"+nodes[i].id+"' class='level-list-"+(level+1)+"' style='display:none;'></ul></li>" : "";

			//node.parent().append(htmlToAppend);
			$("#list-id-"+node.attr("node-id")).append(htmlToAppend);

		}

		$("#list-id-"+node.attr("node-id")).show();

		node.parent().find(".level-node-"+level+"[leaf='0']").click(function() {
			openNode($(this), level+1);
		});
	}

	if ($("#list-id-"+node.attr("node-id")+" li").length>0) { //nodi già presenti
		//da decidere
	} else {
		$.ajax({
			url: "./ajax/treeLoader.php",
			data: {
				filename: "jobsact",
				idpadre: node.attr("node-id")
			},
			dataType: "JSON",
			type: "GET",
			success: function(data) {
				ajaxResOpenNode(data);
			},
			error: function() {
				alert("Errore nel caricamento dei nodi figli");
			}
		});
	}
}

function loadTree(data) {
	var nodes = data.nodes;

	for (var i = 0; i<nodes.length; i++) {
		/*var htmlToAppend = '<div id="container-id-'+nodes[i].id+'">';
		htmlToAppend += '<div id="node-id-'+nodes[i].id+'" ';
		htmlToAppend += 'node-id="'+nodes[i].id+'" ';
		htmlToAppend += 'level="'+nodes[i].level+'" ';
		htmlToAppend += 'cat="'+(i+1)+'" ';
		htmlToAppend += 'leaf="'+((nodes[i].is_leaf) ? 1 : 0)+'" ';
		htmlToAppend += 'class="level-node-1 cat-node-'+(i+1)+'">';
		htmlToAppend += nodes[i].ramodescrizione+"</div></div>";*/

		var htmlToAppend = '<li id="node-id-'+nodes[i].id+'" ';
		htmlToAppend += 'node-id="'+nodes[i].id+'" ';
		htmlToAppend += 'level="'+nodes[i].level+'" ';
		htmlToAppend += 'cat="'+(i+1)+'" ';
		htmlToAppend += 'leaf="'+((nodes[i].is_leaf) ? 1 : 0)+'" ';
		htmlToAppend += 'class="level-node-1 cat-node-'+(i+1)+'">';
		htmlToAppend +=  nodes[i].ramodescrizione+"</li>";
		htmlToAppend += (!nodes[i].is_leaf) ? "<ul id='list-id-"+nodes[i].id+"' class='level-list-2' style='display:none;'></ul>" : "";

		$("#treeContainer").append(htmlToAppend);
	}

	$("#treeContainer .level-node-1").click(function() {
		openNode($(this), 2);
	});
}