text: /*!
   * Ext JS Library 3.0.0
   * Copyright(c) 2006-2009 Ext JS, LLC
   * licensing@extjs.com
   * http://www.extjs.com/license
   */
  Ext.onReady(function(){
      var tree = new Ext.ux.tree.ColumnTree({
          width: 550,
          height: 300,
          rootVisible:false,
          autoScroll:true,
          title: 'Example Tasks',
          renderTo: Ext.getBody(),
  
          columns:[{
              header:'Task',
              width:330,
              dataIndex:'task'
          },{
              header:'Duration',
              width:100,
              dataIndex:'duration'
          },{
              header:'Assigned To',
              width:100,
              dataIndex:'user'
          }],
  
          loader: new Ext.tree.TreeLoader({
              dataUrl:'column-data.json',
              uiProviders:{
                  'col': Ext.ux.tree.ColumnNodeUI
              }
          }),
  
          root: new Ext.tree.AsyncTreeNode({
              text:'Tasks'
          })
      });
  });