function call()
{
return checkCookie();
}
function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    {
    c_start=c_start + c_name.length+1;
    c_end=document.cookie.indexOf(";",c_start);
    if (c_end==-1) c_end=document.cookie.length;
    return unescape(document.cookie.substring(c_start,c_end));
    }
  }
return "";
}



function checkCookie()
{
timesviewed=getCookie('timesviewed');
if (timesviewed!=null && timesviewed!="")
  {
  var test=parseInt(readCookie("timesviewed"));
  if (test == 2 || test == 4)
  {
  
  test=test+1;
  test=test+"";
  //alert(test);
  createCookie('timesviewed',test,"");
  var url="http://www.io-sono.org/files/popup/popup2.html";
  return GB_show('è ora disponibile:',url,530,390);
  }
  else 
  {
  //nothing
  test=test+1;
  test=test+"";
  createCookie('timesviewed',test,"");
  }
  }
else
  {
  createCookie('timesviewed',0,"");
  
  var url="http://www.io-sono.org/files/popup/popup2.html";
  return GB_show('è ora disponibile:',url,530,390);

  }
}

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;
}