function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
	var c = ca[i];
	while (c.charAt(0)==' ') c = c.substring(1,c.length);
	if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function doAjax(url, action, data, async) {
	if(!url) return;
	methodType = 'POST';
	if(!data) data='';
	if(!action) {
		jsFunction = function() {};
	} else {
		jsFunction = function(AJAX) {
			if(AJAX.readyState == 4) {
				action(AJAX);
			};
		}
	}
	return new AJAXRequest(methodType, url, data, jsFunction, async);
}

function AJAXRequest(method, url, data, process, async, dosend) {
	var _ms_XMLHttpRequest_ActiveX = "";
    var self = this;
    if(window.XMLHttpRequest) {
        self.AJAX = new XMLHttpRequest();
    } else if(window.ActiveXObject) {
        if(_ms_XMLHttpRequest_ActiveX) {
            self.AJAX = new ActiveXObject(_ms_XMLHttpRequest_ActiveX);
        } else {
	    	var versions = ["Msxml2.XMLHTTP.7.0", "Msxml2.XMLHTTP.6.0", "Msxml2.XMLHTTP.5.0", "Msxml2.XMLHTTP.4.0", "MSXML2.XMLHTTP.3.0", "MSXML2.XMLHTTP", "Microsoft.XMLHTTP"];
            for(var i=0; i < versions.length; i++) {
                try {
                    self.AJAX = new ActiveXObject(versions[i]);
                    if(self.AJAX) {
                        _ms_XMLHttpRequest_ActiveX = versions[i];
                        break;
                    }
                }
                catch (objException) {};
            };
        }
    }
    self.process = process;
    self.AJAX.onreadystatechange = function() {
        self.process(self.AJAX);
    }
    if(!method) {
        method = "POST";
    }
    method = method.toUpperCase();
    if(typeof async == 'undefined' || async == null) {
        async = true;
    }
	self.AJAX.open(method, url, async);
	if(method == "POST") {
		self.AJAX.setRequestHeader("Connection", "close");
		self.AJAX.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
		self.AJAX.setRequestHeader("Method", "POST");
    }
    if( dosend || typeof dosend == 'undefined' ) {
	    self.AJAX.send(data);
	}
	return self.AJAX;
}

function openSearchSupport() {
	return (typeof window.external == "object") && ((typeof window.external.AddSearchProvider == "unknown") || (typeof window.external.AddSearchProvider == "function"));
}

function addOpenSearch(url) {
  if (openSearchSupport()) {
     window.external.AddSearchProvider(url);
  } else {
    alert("Siamo spiacenti, il tuo browser non supporta questa funzionalit&agrave;.");
  }
}

function bindTooltip(id, html, cssClass) {
	obj = document.getElementById(id);
	if (!obj) return;
	div = document.createElement('div');
	div.innerHTML=html;
	tipId = id + '_tooltip';
	div.setAttribute('id',tipId);
	Element.addClassName(div, 'tooltip');
	obj.parentNode.insertBefore(div, obj);
	new Tooltip(id,tipId);
}