this.elmt('update').click(this, this.do_update);
this.elmt('refresh').click(this, this.do_refresh);
this.elmt('reset').click(this, this.do_reset);
this.elmt('update').click(this, this.do_update);
this.elmt('refresh').click(this, this.do_refresh);
this.elmt('reset').click(this, this.do_reset);