window.onload=function(){
   if($("pause")){
      $("pause").onclick=function(){
         if(executer){
            executer.currentlyExecuting=true;
         }
      };
   }
   var _uurl='/hacks/increment';
   var executer;
   var counter=0;
   if($("time_info") && $("display_area")) {
      executer=new PeriodicalExecuter(function() {
      new Ajax.Updater('time_info',_uurl,
      {insertion: function(obj,txt){$("time_info").
         value+= txt + "\n"},
   onComplete: function(request){$("msg").style.
   color="green"; counter++;
   $("msg").innerHTML="Uaktualnienie #"+
   counter+"; request status="+
   request.status}})}, 10);
   new Form.Element.Observer("time_info",15,function(){
   $("display_area").
   value+=("Wykryto zmian o godzinie: "+new Date() + "\n\n");
   });
   }

};
