text: GO.files.TreePanel = function (config){
  	config = config || {};
  	
  	
  	config.loader =  new GO.base.tree.TreeLoader(
  	{
  		dataUrl:GO.url('files/folder/tree'),
  		baseParams:{
  			root_folder_id:0,
  			expand_folder_id:0
  		},
  		preloadChildren:true
  		
  	});
  
  
  	config.loader.on('beforeload', function(){
  		var el =this.getEl();
  		if(el){
  			el.mask(t("Loading..."));
  		}
  	}, this);
  
  	config.loader.on('load', function(){
  		var el =this.getEl();
  		if(el){
  			el.unmask();
  		}		
  		this.getLoader().baseParams.expand_folder_id=0;
  	}, this);
  		
  	Ext.applyIf(config, {
  		layout:'fit',
  		split:true,
  		autoScroll:true,
  		animate:true,
  		rootVisible:false,
  		containerScroll: true,
  		selModel:new Ext.tree.MultiSelectionModel()		
  	});
  		
  		
  	GO.files.TreePanel.superclass.constructor.call(this, config);
  	
  	// set the root node
  	var rootNode = new Ext.tree.AsyncTreeNode({
  		text: '',
  		draggable:false,
  		id: 'root',
  		iconCls : 'folder-default'
  	});
  
  	this.setRootNode(rootNode);
  }
  	
  	
  Ext.extend(GO.files.TreePanel, Ext.tree.TreePanel,{
  	/**
  	 * Expand the folder server side
  	 */
  	setExpandFolderId : function(folder_id){
  		this.getLoader().baseParams.expand_folder_id=folder_id;
  	}
  	
  	});
  	
  	
  