var xmlHttp;

    function GetXmlHttpObject() {
        var xmlHttp=null;
        try {
            // Firefox, Opera 8.0+, Safari
            xmlHttp=new XMLHttpRequest();
        }
        catch (e) {
            //Internet Explorer
            try {
                xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
            }
            catch (e) {
                xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
            }
        }
        return xmlHttp;
    }
    
    function getThirdLevel(str) { 
        xmlHttp=GetXmlHttpObject();
        if (xmlHttp==null) {
            alert ("Browser does not support HTTP Request");
            return;
        }

        var url= "http://www.bazar.it/include/get_rubriche.php";
        url= url+"?q=" + str;
        url= url+"&sid=" + Math.random();
        xmlHttp.onreadystatechange=stateChangedSearchThirdLevel;
        xmlHttp.open("GET",url,true);
        xmlHttp.send(null);
    }
    
        function stateChangedSearchThirdLevel() { 
            if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
     { 
         var select = document.getElementById('third_level');
         select.style.display = '';
         
         var response = xmlHttp.responseText;
         if (response.indexOf('#') > 0) {
         
            var level = response.split('|');
            select.options.length = 0;
            for (i = 0; i < level.length; i++) {
                var livello = level[i].split('#');
                select.options[i] = new Option(livello[1]);
                select.options[i].value = livello[0];         
            }
         
            var div = document.getElementById('div_third_level');
            div.style.display = '';
         } else {
             var div = document.getElementById('div_third_level');
             div.style.display = 'none';
         }
     } 
    }

// Nazionali

    function getThirdLevelNazionale(str) { 
        xmlHttp=GetXmlHttpObject();
        if (xmlHttp==null) {
            alert ("Browser does not support HTTP Request");
            return;
        }

        var url= "http://www.bazar.it/include/get_rubriche_nazionale.php";
        url= url+"?q=" + str;
        url= url+"&sid=" + Math.random();
        xmlHttp.onreadystatechange=stateChangedSearchThirdLevelNazional;
        xmlHttp.open("GET",url,true);
        xmlHttp.send(null);
    }
    
    function stateChangedSearchThirdLevelNazional() { 
        if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") { 
            var select = document.getElementById('third_level');
            select.style.display = '';
     
            var response = xmlHttp.responseText;
            if (response.indexOf('#') > 0) {
     
                var level = response.split('|');
                select.options.length = 0;
                for (i = 0; i < level.length; i++) {
                    var livello = level[i].split('#');
                    select.options[i] = new Option(livello[1]);
                    select.options[i].value = livello[0];         
                }
     
                var div = document.getElementById('div_third_level');
                div.style.display = '';
                div.style.width = '240px';
            } else {
                var div = document.getElementById('div_third_level');
                div.style.display = 'none';
                div.options.length = 0;
            }
        } 
    }