var conn = new Ext.data.Connection();

function initPinger()
{
  // Start a simple clock task that updates a div once per second
  var task = {
      run: function(){
          conn.request({
            url:'runtime/runtimelogger.php',
            method:'POST',
            params:parametriJs,
            success: function(responseObject) {
                
            },
            failure: function() {
                //alert("Errore di connessione");
            }
          })
      },
      interval: 5000 // 2 secondi
  }
  var runner = new Ext.util.TaskRunner();
  runner.start(task);
}