http://www.laboratorioadolescenza.org/iwskin/res/js/menu4.js

1function iwOpenClose(nodeId,suffix) {
2  var style=eval(getStyleObj(nodeId+"b"));
3  var node=eval(getObj(nodeId));
4  if (style.display=="block") {
5    node.className="intOver";
6    style.display="none";
7  } else {
8    node.className="intOpen"+suffix+"Over";
9    style.display="block";
10  }
11}
12function iwOpen(nodeId,suffix) {
13  var style=eval(getStyleObj(nodeId+"b"));
14  var node=eval(getObj(nodeId));
15  node.className="intOpen"+suffix;
16  style.display="block";
17}
18function iwMenuOver(node) {
19  var i=node.className.indexOf("Over");
20  if (i==-1) {
21    node.className=node.className+"Over";
22  }
23}
24function iwMenuOut(node) {
25  var i=node.className.indexOf("Over");
26  if (i!=-1) {
27    node.className=node.className.substring(0,i);
28  }
29}
30function iwMenuClick(ev,level,pageUrl) {
31  var component=eventGetTarget(ev);
32  var pos=eventRelativeXY(ev);
33  var area=lookupArea(menu4ButtonAreas(level),pos);
34  if (area=="page") {
35    document.location=pageUrl;
36  } else if (area=="openclose") {
37    iwOpenClose(component.id,"");
38  } else {
39    iwOpenClose(component.id,"");
40    // alert("internal error: area not defined");
41  }
42}
43// verificare/migliorare test seguente
44if (document.getElementById){

45	document.write('<style type="text/css">\n');
46	document.write('.b1{display: none;}\n');
47	document.write('.b2{display: none;}\n');
48	document.write('</style>\n');
49}