function Kalenteri(form, fld, mode) {
  url = '/cal_popup/';
  w = 235;
  h = 200;
  url = "/cal_popup/" + "?fld=" + fld + "&form=" + form;
  d=document;
  l=(d.layers)?1:0;
  if (l) {
    x = window.innerWidth;
    y = window.innerHeight;
  }
  else {
    x = document.body.offsetWidth;
    y = document.body.offsetHeight;
  }
  if ( mode == 1) {
    x = x/2 - w/2;
    y = y/2 - h/2;
  }
  else {
    x = x/2 - mode;
    y = 200;
  }
  var mypopup = window.open(url, 'pbatch', 'toolbar=no,width='+w+',height='+h+',resizable=1,scrollbars=0,left='+ x +',top='+y+',screenX='+ x +',screenY='+y);
  mypopup.opener = self;

}