function openPopUp(url)
            {

                  var width = screen.availWidth;
                  var height = screen.availHeight;
                  var a = window.open(url,'mlmm', 'channelmode=no,directories=no,menubar=no,resizable=yes,scrollbars=yes,status=no,toolbar=no,left=0,top=0,width=' + width + ',height=' + height);
                 
            }