anchor.diff:          {  region: 'north',
             items: [tb],
             height: 32 // give north and south regions a height
  -        },
  -
  -        /*
  -          xtype: 'toolbar',
  -          items: [ 
  -            {
  -              xtype: 'tbtext',
  -              text: north_html ,
  -              cls:'north-header',
  -              id: 'main-menu-title'
  -            },
  -
  -            '   ',
  -            'Logged in as <b>' + currentUserDisplayName + '</b>',
  -            '->',
  -            'Select Project ',
  -            ' ' ,
  -            projectCombo
  -          ]
  -         */
  -        /*        new Ext.BoxComponent({
  -
  -          region: 'north',
  -          height: 32, // give north and south regions a height
  -
  -          el: 'my-header-div'
  -        }),
  -         */
  -        /*************** OLD
  -        {
  -          region: 'west',
  -          id: 'west-panel', 
  -          split: true,
  -          width: 200,
  -          minSize: 175,
  -          collapsible: true,
  -
  -          items: [
  -            {id: 'bio-database-group-tree',
  -              xtype:'database-group-tree',
  -              treeData: dbGroupTree,
  -              projectOptions: Ext.workbenchdata.projectOptions,
  -              clickAction: function(node) {
  -                Ext.bio.workbench.updateContent(node);
  -                Ext.getCmp('tree-delete-icon').enable();
  -              }
  -            }],
  -          bbar :[{
  -              id:'tree-delete-icon',
  -              disabled: true,
  -              iconCls:'x-tree-delete',
  -              text: 'Delete',
  -              handler: function() {
  -                Ext.getCmp('bio-database-group-tree').deleteSelectedNode();
  -              }
  -            }]
  -        },
  -         ******************* END OLD
  -         */
  -        {
  +        }, {
             region: 'west',
             title: 'Database Browser',
             width: 200,
             minSize: 175,
             margins: '0 0 0 5',
             collapsible: true,
  +          split: true,
             id: 'bio-database-group-tree',
             xtype:'database-group-tree',
             treeData: dbGroupTree,
  
positive.code:               title: 'Databases',
                autoScroll: true,
                id:'workbench-biodatabase-tab',
                items: [
                  {id: 'workbench-biodatabase-grid',
                    xtype:'biodatabase-grid',
                    pageSize: dbPageSize,
                    store: biodatabaseStore
                  }
                ]
              }, {
                iconCls:'book',
                title: 'Database Groups',
                autoScroll: true,
                id:'workbench-biodatabase-group-tab',
                items: [
                  {id: 'workbench-biodatabase-groups-grid',
                    pageSize: databaseGroupPageSize,
                    xtype:'biodatabase-group-grid' ,
                    store: biodatabaseGroupStore }
                ]
  
              },  {
                iconCls:'cog_edit',
                title: 'Blast Results',
                autoScroll: true,
                id:'workbench-blast-result-tab',
                items: [
                  {id: 'workbench-blast-results-grid',
                    pageSize: blastResultPageSize,
                    xtype:'blast-result-grid' ,
                    store: blastResultStore }
                ]
  
              }, {
                iconCls:'grid_icon',
                title: 'Running Jobs',
                autoScroll: true,
                id:'workbench-running-jobs-tab',
                items: [
                  { id: 'workbench-jobs-grid',
                    pageSize: jobPageSize,
                    xtype:'job-grid' ,
                    store: jobStore }
  
negative.code:             Ext.bio.workbench.updateContent(node);
              Ext.getCmp('tree-delete-icon').enable();
            }
          } , new Ext.TabPanel({
            id: 'workbench-grid-tabs',
            region: 'center', // a center region is ALWAYS required for border layout
            collapsible: true,
            deferredRender: true,
            activeTab: 0,     // first tab initially active
            items: [ { iconCls:'new_fasta',
                title: 'Sequences',
                id: 'workbench-biosequence-tab',
                layout: 'border',
  