function send_form()
{                     
  document.getElementById("submit").disabled="true";
  
  var divek = document.getElementById("text_div");
	advAJAX.post({
	  	url : "resources/php/form_spr.php",    

	  	parameters :
	  	{
			"imie": document.getElementById("imie").value,
            "tel": document.getElementById("tel").value,
            "email": document.getElementById("email").value,                       
            "pytanie": document.getElementById("pytanie").value,
            "wylacz": document.getElementById("wylacz").checked
      },
      onLoading : function(obj)
      { 
          divek.innerHTML = "Sprawdzanie danych ...<br /><br />";
      },
 			onSuccess : function(obj)
      { 
          if(obj.responseText=="") divek.innerHTML = "Error";
          else divek.innerHTML = "<div><u>" + obj.responseText + "</u></div>";
          
          if(obj.responseText=="Formularz został wysłany! Dziękujemy! :)<br /><br />")
          {
            document.getElementById("imie").value="";
            document.getElementById("tel").value="";
            document.getElementById("email").value="";                       
            document.getElementById("pytanie").value="";
          } 
       
          document.getElementById("submit").disabled="";
			}
	});
}

function wylacz()
{
  document.getElementById('email').disabled=document.getElementById('wylacz').checked;
}