function doLoad(div,act,value) {                        
    var req = new JsHttpRequest();     
        
    req.onreadystatechange = function()     {   
        
        if (req.readyState == 4) {                                   
            switch(act) {
                default:
         	       document.getElementById(div).innerHTML=req.responseText;                                                                                                                                                                                                                                              
         	       
      $('#my_date').attachDatepicker({
  	
  	yearRange: req.responseJS['cur_year']+':'+req.responseJS['next_year'],
  	  //	rangeSelect: true,
  	firstDay: 1
  });
            }
                                                                           
        }        
    }      
    req.caching = false;        
    req.open(null, '/ajax.php', true);    
    req.send({div:div,act:act,value:value});
}