onload=function(){
size=getCookie("fontsize");             //reperisce il cookie
if(size!=null) SetFontSize(size);       //setta le impostazioni
}

function SetFontSize(s){
document.getElementsByTagName('body')[0].style.fontSize=s;
setCookie("fontsize",s,1);
}

function setCookie(name, value, expdays) {   //memorizza il cookie
var now = new Date();
var exp = new Date(now.getTime() + (1000*60*60*24*expdays));
document.cookie = name + "=" + escape(value) + ";" + "expires=" + exp.toGMTString() + ";" + "path=/";
}

function getCookie(name) {    //restituisce il cookie
var cname = name + "=";
var dc = document.cookie;
if (dc.length > 0) {
    var start = dc.indexOf(cname);
    if (start != -1) {
        start += cname.length;
        var stop = dc.indexOf(";", start);
        if (stop == -1) stop = dc.length;
        return unescape(dc.substring(start,stop));
        }
    }
return null;
}




 Request.HTML.implement({
  
         processHTML: function(text){
             var match = text.match(/<body[^>]*>([\s\S]*?)<\/body>/i);
           text = (match) ? match[1] : text;
            
             var container = new Element('div');
            
             return $try(function(){
                 var root = '<root>' + text + '</root>', doc;
                 if (Browser.Engine.trident){
                     doc = new ActiveXObject('Microsoft.XMLDOM');
                     doc.async = false;
                     doc.loadXML(root);
                 } else {
                     doc = new DOMParser().parseFromString(root, 'text/html');
                 }
                 root = doc.getElementsByTagName('root')[0];
                 for (var i = 0, k = root.childNodes.length; i < k; i++){
                     var child = Element.clone(root.childNodes[i], true, true);
                     if (child) container.grab(child);
                 }
                 return container;
             }) || container.set('html', text);
         }
    
     });