function verifica() {
        	if(blog.titolo.value=="") {
          	alert('Devi inserire il titolo.');
            blog.titolo.focus();
            return false;
          }     
          if(blog.testo.value=="") {
          	alert('Devi inserire il testo.');
            blog.testo.focus();
          	return false;
          }
          blog.submit();
        }


        function apri_popup(url,lar,alt,scroll,nome) {
            if(scroll=="") scroll='auto';
            if(nome=="") nome='';
            var w = screen.width;
            var h = screen.height;
            var x = Math.round(w / 2) - Math.round(lar / 2);
            var y = Math.round(h / 2) - Math.round(alt / 2);
            window.open(url, nome, 'menubar=no, height=' + alt + ', width=' + lar + ', resizable=yes, toolbar=no, location=no, status=no, left=' + x + ', top=' + y +', scrollbars=' + scroll);
            return true;
        }

        function apri_popup_da_mod(url,lar,alt) {
            var w = screen.width;
            var h = screen.height;
            var x = Math.round(w / 2) - Math.round(lar / 2);
            var y = Math.round(h / 2) - Math.round(alt / 2);
            window.open(url, "", 'menubar=no, height=' + alt + ', width=' + lar + ', resizable=yes, toolbar=no, location=no, status=no, left=' + x + ', top=' + y +', scrollbars=yes');
            return true;
        }
        
        // Apertura BOX
        function abox(box,url,lar,alt)
        {
            var w = screen.width;
            var h = screen.height;
            var x = Math.round(w / 2) - Math.round(lar / 2);

          	if (self.pageYOffset) {
          		var yScroll = self.pageYOffset;
          	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
          		var yScroll = document.documentElement.scrollTop;
							var yFine = document.documentElement.scrollHeight;
          	} else if (document.body) {// all other Explorers
          		var yScroll = document.body.scrollTop;
							var yFine = document.body.scrollHeight;
          	}

					  var y = Math.round(screen.availHeight / 2) + yScroll - 300; 
            
            
            document.getElementById(box + '_ext').style.width = lar;
            document.getElementById(box + '_ext').style.height = alt;
            document.getElementById(box + '_ext').style.top = y;
            document.getElementById(box + '_ext').style.left = x;
            document.getElementById(box + '_ext').style.display = "block";
            document.getElementById(box + '_overlay').style.height = yFine;
            document.getElementById(box + '_overlay').style.display = "block";
            document.getElementById('flash').style.visibility = "hidden";
            makeRequest(box, url);
            
        }
        
        // Chiusura BOX
        function cbox(box)
        {
            document.getElementById('flash').style.visibility = "visible";
            document.getElementById(box + '_ext').style.display = "none";
            document.getElementById(box + '_overlay').style.display = "none";
            
        }
        
        // Controllo SELECT
        function controlla_select(cselect,errore) {
        	if(cselect.options[cselect.selectedIndex].value=="") {
            cselect.focus;
            return false;
          } else return true;
        }
        
        // Funzione apertura chiusura DIV con immagine espansione e contrazione
        function apri_chiudi(m, img_ap, img_ch) {
            if(document.getElementById(m).style.visibility == "visible") {
                document.getElementById(m).style.visibility = "hidden";
                document.getElementById(m).style.display = "none";            
                if(img_ap!='') document.getElementById('img_' + m).src='../_skins/' + img_ap;
                return true;
            }
            
            if(document.getElementById(m).style.visibility == "hidden" || document.getElementById(m).style.visibility == "" ) {
                document.getElementById(m).style.visibility = "visible";
                document.getElementById(m).style.display = "block";            
                if(img_ap!='') document.getElementById('img_' + m).src='../_skins/' + img_ch;
                return true;
            }        
        }
        
        // Funzione per cerchiare un'immagine sola
        function cerchia_img(m,l,colore) {
        	var imgs = document.getElementById(m).getElementsByTagName('div');
					for (var i=0;i<imgs.length;i++)	{
          	imgs[i].style.border= 'none';
          }
        	l.style.border= '2px ' + colore + ' solid';
        }
        
        
        
        
        
        
        
        // APRO IL MENU ...
        function apri(m)
        {
            document.getElementById(m).style.visibility = "visible";
        }
        // CHIUDO IL MENU ...
        function chiudi(m)
        {
            document.getElementById(m).style.visibility = "hidden";
        }

        function aprichiudi(m) {
            if(document.getElementById(m).style.visibility == "visible") {
                document.getElementById(m).style.visibility = "hidden";
                document.getElementById(m).style.display = "none";            
                document.getElementById(m + '_img').src='http://www.canzonisumisura.it//images/blog/piu.jpg';
                return true;
            }
            
            if(document.getElementById(m).style.visibility == "hidden" || document.getElementById(m).style.visibility == "" ) {
                document.getElementById(m).style.visibility = "visible";
                document.getElementById(m).style.display = "block";            
                document.getElementById(m + '_img').src='http://www.canzonisumisura.it//images/blog/meno.jpg';
                return true;
            }
        
        }

        function aprichiudi_menu(m) {
            if(document.getElementById('sott_' + m).style.visibility == "visible") {
                document.getElementById('sott_' + m).style.visibility = "hidden";
                document.getElementById('sott_' + m).style.display = "none";            
                document.getElementById('img_' + m).src='_layout/_immagini/icn_right.gif';
                return true;
            }
            
            if(document.getElementById('sott_' + m).style.visibility == "hidden") {
                document.getElementById('sott_' + m).style.visibility = "visible";
                document.getElementById('sott_' + m).style.display = "block";            
                document.getElementById('img_' + m).src='_layout/_immagini/icn_down.gif';
                return true;
            }
        
        }

        function aprichiudi_pag(m) {
            if(document.getElementById(m).style.visibility == "visible") {
                document.getElementById(m).style.visibility = "hidden";
                document.getElementById(m).style.display = "none";            
                document.getElementById('esp' + m).src='../_skins/black/espandi.jpg';
                return true;
            }
            
            if(document.getElementById(m).style.visibility == "hidden") {
                document.getElementById(m).style.visibility = "visible";
                document.getElementById(m).style.display = "block";            
                document.getElementById('esp' + m).src='../_skins/black/contrai.jpg';
                return true;
            }
        
        }


    var campo;
    var tipo;
    var loading;
    var risultato;
    

    function makeRequest(id_div_output,url) {

    		if(!(id_div_output)) id_div_output=campo;

        var http_request = false;
        risultato = false;

        if (window.XMLHttpRequest) { // Mozilla, Safari,...
            http_request = new XMLHttpRequest();
            if (http_request.overrideMimeType) {
                http_request.overrideMimeType('text/xml');
                // See note below about this line
            }
        } else if (window.ActiveXObject) { // IE
            try {
                http_request = new ActiveXObject("Msxml2.XMLHTTP");
            } catch (e) {
                try {
                    http_request = new ActiveXObject("Microsoft.XMLHTTP");
                } catch (e) {}
            }
        }

        if (!http_request) {
            alert('Giving up  Cannot create an XMLHTTP instance');
            return false;
        }

				if(loading!=0) document.getElementById(id_div_output).innerHTML='<div style="margin: 0px auto; text-align: center; padding: 40px;"><span class="testo_nero">Caricamento in corso...</span><br /><br /><img src="images/loading.gif" /></div>';
        http_request.onreadystatechange = function() { alertContents(http_request,id_div_output); };

        if(tipo==null) {
            http_request.open('GET', url, true);
            http_request.send(null);
        } else if(tipo=='POST') {
        		tipo=null;
      			var parti = url.split("?");
            var parameters=parti[1];
            url=parti[0];
            http_request.open('POST', url, true);
            http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
            http_request.setRequestHeader("Content-length", parameters.length);
            http_request.setRequestHeader("Connection", "close");
            http_request.send(parameters);
        }              
    }

    function alertContents(http_request,output) {

        if (http_request.readyState == 4) {
            if (http_request.status == 200) {
			risposta=http_request.responseText;
			//alert(output);
			document.getElementById(output).innerHTML=risposta;
      risposta=execJS(risposta);
      risultato=true;
            } else {
                alert('There was a problem with the request.');
            }
        }

    }
    
    //-----------------------------------------------------
//valuta il codice javascript e restituisce la stringa
//senza codice
//-----------------------------------------------------
function execJS(t)
{
    var p1 = 0, p2 = 0, p3 = 0, p4 = 0;
    p1 = t.indexOf("<" + "script", 0);
    if(p1 == -1) return t;
    
    p2 = t.indexOf(">", p1 + 7) + 1;
    p3 = t.indexOf("<" + "/script>", p2);
    p4 = p3 + 9;
    
    var c = t.substring(p2, p3);
    var s = document.createElement("script");
    s.type = "text/javascript";
    s.text = c;
    document.getElementsByTagName("head")[0].appendChild(s);
    
    t = t.substring(0, p1) + t.substr(p4);
    return execJS(t);

}
    
    // Funzione per ottenere il valore del radio button
    function readvalue(check) {
        var indice = 0;
        for (var i = 0; i < check.length; i++) {
            if (check[i].checked) indice = i;
        }
        return check[indice].value;
    }
    
    // Funzione per l'attesa dell'Ajax
    function controlla(){
      if (risp!='')
          return;
    else setTimeout('controlla();',300);
		}