function (obj, callback, skip_animation) {
        obj = this._get_node(obj);
        if(!obj.length) { return false; }
        if(!obj.hasClass("jstree-closed")) { if(callback) { callback.call(); } return false; }
        var s = skip_animation || is_ie6 ? 0 : this._get_settings().core.animation,
          t = this;
        if(!this._is_loaded(obj)) {
          obj.children("a").addClass("jstree-loading");
          this.load_node(obj, function () { t.open_node(obj, callback, skip_animation); }, callback);
        }
        else {
          if(s) { obj.children("ul").css("display","none"); }
          obj.removeClass("jstree-closed").addClass("jstree-open").children("a").removeClass("jstree-loading");
          if(s) { obj.children("ul").stop(true).slideDown(s, function () { this.style.display = ""; }); }
          this.__callback({ "obj" : obj });
          if(callback) { callback.call(); }
        }
      }
function (obj, callback, skip_animation) {
        obj = this._get_node(obj);
        if(!obj.length) { return false; }
        if(!obj.hasClass("jstree-closed")) { if(callback) { callback.call(); } return false; }
        var s = skip_animation || is_ie6 ? 0 : this._get_settings().core.animation,
          t = this;
        if(!this._is_loaded(obj)) {
          obj.children("a").addClass("jstree-loading");
          this.load_node(obj, function () { t.open_node(obj, callback, skip_animation); }, callback);
        }
        else {
          if(s) { obj.children("ul").css("display","none"); }
          obj.removeClass("jstree-closed").addClass("jstree-open").children("a").removeClass("jstree-loading");
          if(s) { obj.children("ul").stop(true).slideDown(s, function () { this.style.display = ""; }); }
          this.__callback({ "obj" : obj });
          if(callback) { callback.call(); }
        }
      }
function ( obj , callback , skip_animation ) { obj = this . _get_node ( obj ) ; if ( ! obj . length ) { return false ; } if ( ! obj . hasClass ( "jstree-closed" ) ) { if ( callback ) { callback . call ( ) ; } return false ; } var s = skip_animation || is_ie6 ? 0 : this . _get_settings ( ) . core . animation , t = this ; if ( ! this . _is_loaded ( obj ) ) { obj . children ( "a" ) . addClass ( "jstree-loading" ) ; this . load_node ( obj , function ( ) { t . open_node ( obj , callback , skip_animation ) ; } , callback ) ; } else { if ( s ) { obj . children ( "ul" ) . css ( "display" , "none" ) ; } obj . removeClass ( "jstree-closed" ) . addClass ( "jstree-open" ) . children ( "a" ) . removeClass ( "jstree-loading" ) ; if ( s ) { obj . children ( "ul" ) . stop ( true ) . slideDown ( s , function ( ) { this . style . display = "" ; } ) ; } this . __callback ( { "obj" : obj } ) ; if ( callback ) { callback . call ( ) ; } } }
open/close
open / close