function checkCookie(){
            //alert("check");
     //alert("cgtFeedbackPopup" + readCookie("cgtFeedbackPopup"));
     
            /* se non c'é il coockie allora posso aprire il popup*/
     if (readCookie("cgtFeedbackPopup") != "open") {
         var date = new Date();
         showPopup();
     }
     else {
            //svuoto
         $(".testoPopUp").html("");
     }
        }       
        function showPopup(){
            //alert("showPopup");
            var Y = document.getElementById('popup_pnlContainer');
            //alert(Y);
            if (Y != null) {
                Y.style.display = 'block';
                //creo il coockie per segnalare che il popup é stato aperto.
                createCookie("cgtFeedbackPopup", "open", 0);
            }
        }
        
    
        function createCookie(name,value,days) {
	        if (days) {
		        var date = new Date();
		        date.setTime(date.getTime()+(days*24*60*60*1000));
		        var expires = "; expires="+date.toGMTString();
	        }
	        else var expires = "";
	        document.cookie = name+"="+value+expires+"; path=/";
        }

        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 eraseCookie(name) {
	        createCookie(name,"",-1);
        }
		
		
		function hidePopup(x)
		{
		    // nascondo
		    $("#" + x).hide();
		    //svuoto
		    $(".testoPopUp").html("");
		}