if (! toggle_visibility) {
    var toggle_visibility = function(id) {
       var e = document.getElementById(id);
       if(e.style.display == 'block')
          e.style.display = 'none';
       else
          e.style.display = 'block';
    }
    }

if (!blogBrowser) {
	var blogBrowser = Class.create();
	blogBrowser.addMethods({   
		initialize: function() {    

			var options = {
				url: '/l/blogs/?displaymode=json',
				target: $('_fileBrowser'),
				spinner: '/css/images/spinner.gif',
				channelId: '',
				withFilter: false
			};
			
			Object.extend(options, arguments[0]);
			
			
			this.target = options.target;
			this.spinner = options.spinner;
			this.url = options.url;
			this.withFilter = options.withFilter;
			this.withSection = options.withSection;		
			this.buildFrame.bind(this)();
			this.setLoading();
			this.lastLoadFromFilter = false;
			this.aborted = 0;
			this.channelId = this.getChannelId();
			if (!this.channelId) {
				this.channelId = options.channelId;
			}
			this.loadBlogs();
			
		},
		
		loadBlogs: function() {
			this.lastLoadFromFilter = false;
			this.setLoading();
			var path = arguments[0] || '/';
			this.currentpath = path;
			var qUrl = this.url;
			
			myreader = new Ajax.Request(qUrl, {
				onSuccess: function(t,json) {
					
					this.cleanFrame();
					if (!json) {
						if (t.responseJSON) json = t.responseJSON;
					}
					
					
					if (!json) {
						this.setText('Unexptected Error!');
						return false;
					}
					
					count = 0;
									
					for (var i = 0; i < json.results.length && i < 5; i++) {
						if (count % 2) {
							style = "background-color: #ffffff";
						} else {
							style = "background-color: #f8f8f8";
						}
							var name        = json.results[i].name;
							var date        = json.results[i].date;
							var id          = json.results[i].id;
							var title       = json.results[i].title;
							var url          = json.results[i].url;
							d = this.createEntry(name,date,id,title,url);							
							this.appendNode(d);
							count++;
					}

					if (json.results.length < 1) {
						this.removeBrowser();
					}
					
					
				}.bind(this),
				onComplete: function(t,json) {

                                        this.cleanFrame();
					if (!json) {
						if (t.responseJSON) json = t.responseJSON;
					}
					
					
					if (!json) {
						this.setText('Unexptected Error!');
						return false;
					}
					
					count = 0;
									
					for (var i = 0; i < json.results.length; i++) {
						if (count % 2) {
							style = "background-color: #ffffff";
						} else {
							style = "background-color: #f8f8f8";
						}
							var name        = json.results[i].name;
							var date        = json.results[i].date;
							var id          = json.results[i].id;
							var title       = json.results[i].title;
							var url          = json.results[i].url;
							d = this.createEntry(name,date,id,title,url);							
							this.appendNode(d);
							count++;
					}

					if (json.results.length < 1) {
						this.removeBrowser();
					}

                                        


                                }.bind(this),
					
				onFailure: function(){
					this.cleanFrame();
					this.setText('Failure...');
					
				}.bind(this)
			});
		},
		
		createEntry: function(name,date,ud,title,url) {
		        var d = document.createElement('DIV');
		        d.className = 'blogName';
		        
		        var a = document.createElement("A");
		        a.setAttribute('href',url);
		        a.appendChild(document.createTextNode(name));
		        
			var br = document.createElement("BR");
			

		        var e = document.createElement('DIV');
		        e.className = 'blogEntry';
		        e.appendChild(document.createTextNode(title));
		        
		        var da = document.createElement('DIV');
		        da.className = 'blogDate';
		        da.appendChild(document.createTextNode('Post del ' + date));
		        
		        d.appendChild(a);
			d.appendChild(br);
		        d.appendChild(e);
		        d.appendChild(da);
		        
		        return d;
		},
		
		getChannelId: function() {
			return ajaxCMS.channelId;
		},
		
		buildFrame: function() {
			if (this.withSection) {
				var s = document.createElement('h1');
				s.innerHTML = ajaxCMS.channelName;
				this.target.appendChild(s);
			}

                        var d = document.createElement('DIV');
                        d.className = 'fileBrowser';
                        this.target.appendChild(d);
                        this.frame = d;

			if (this.withFilter) {
				var filter = document.createElement('DIV');
				filter.className = 'fileFilter';
				var input = document.createElement('input');
				input.setAttribute('type','text');
				input.className = 'fileFilterInput';
				input.onkeyup  = this.onFilterChange.bind(this);
				input.setAttribute('title','Inserisci le parole chiave separate da uno spazio');
				//input.onchange = this.onFilterChange.bind(this);
				this.inputField = input;
				this.target.appendChild(document.createElement('DIV').appendChild(document.createTextNode('Cerca in questa sezione')));
				filter.appendChild(input);
				this.target.appendChild(filter);
			}
			
		},
		
		onFilterChange: function() {
			value = this.inputField.value;
			if (value.length < 4 || value == '') {
					if (value == '' && this.lastLoadFromFilter) {
						this.loadFiles();
					}
					return true;
					//wait!
			}
			
			this.loadFilesFromFilter(value);
			//console.log("Value: '" + this.inputField.value + "'");
		},
		
		cleanFrame: function() {
			var el = false;
			while( el = this.frame.firstChild ) {
				this.frame.removeChild(el);
			}
		},
		
		removeBrowser: function() {
			var parent = this.target.parentNode;
			parent.removeChild(this.target);
		},
		
		appendNode: function(n) {
			this.frame.appendChild(n);
		},
		
		setText: function(t) {
			this.frame.appendChild(document.createTextNode(t));
		},
		
		setLoading: function() {
			this.cleanFrame();
			var d = document.createElement('DIV');
			d.className = 'spinner';
			var i = document.createElement('IMG');
			i.src = this.spinner;
			this.frame.appendChild (i);
			this.frame.appendChild(document.createTextNode(' Ricerca dei blog...'));
		}
	}); 

function parseUri (str) {
	var	o   = parseUri.options,
		m   = o.parser[o.strictMode ? "strict" : "loose"].exec(str),
		uri = {},
		i   = 14;

	while (i--) uri[o.key[i]] = m[i] || "";

	uri[o.q.name] = {};
	uri[o.key[12]].replace(o.q.parser, function ($0, $1, $2) {
		if ($1) uri[o.q.name][$1] = $2;
	});

	return uri;
};

parseUri.options = {
	strictMode: false,
	key: ["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"],
	q:   {
		name:   "queryKey",
		parser: /(?:^|&)([^&=]*)=?([^&]*)/g
	},
	parser: {
		strict: /^(?:([^:\/?#]+):)?(?:\/\/((?:(([^:@]*):?([^:@]*))?@)?([^:\/?#]*)(?::(\d*))?))?((((?:[^?#\/]*\/)*)([^?#]*))(?:\?([^#]*))?(?:#(.*))?)/,
		loose:  /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*):?([^:@]*))?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/
	}
};

	
}