function assertAjax() {
    if (!cerere) {
     //alert("Navigatorul dvs. nu stie AJAX :(")
	 document.getElementById("ajax_div").style.visibility='hidden'
    } else {
	 getQuote()
	}
   }
   
   
   function getQuote() {
     nrcitate = 10;
   	 i = Math.floor(Math.random() * nrcitate) + 1
	 var url = "quotes/" + i + ".txt"
	 cerere.open("GET", url, true)
	 cerere.onreadystatechange = updatePage
	 cerere.send(null)
   }
   
   function updatePage() {
     if (cerere.readyState == 4) {
       if (cerere.status == 200) {
         var raspuns = cerere.responseText
         document.getElementById("citat").innerHTML = raspuns
       } else {
         document.getElementById("citat").innerHTML = "Eroare AJAX: status " + cerere.status
	   }
     }
   }