lessonplansManageSavedGrid = function(limitColumns){
    var sm = new Ext.grid.CheckboxSelectionModel();
      
    lessonplansManageSavedGrid.superclass.constructor.call(this,                             {
                                xtype: 'grid',
                                border: false,
                                titleCollapse: true,
                                autoHeight: true,
                                id: 'savedPlansGrid',
                                autoExpandColumn: 'savedPlansTitle',
                                columns: [
                                    sm,
                                    {
                                        xtype: 'gridcolumn',
                                        header: 'Title',
                                        sortable: true,
                                        resizable: true,
                                        width: 100,
                                        dataIndex: 'title',
                                        id: 'savedPlansTitle'
                                    },
                                    {
                                        xtype: 'gridcolumn',
                                        header: 'Course',
                                        sortable: true,
                                        resizable: true,
                                        width: 120,
                                        dataIndex: 'courseid',
                                        id: 'savedPlansCourse'
                                    },
                                    {
                                        xtype: 'datecolumn',
                                        header: 'Date Modified',
                                        sortable: true,
                                        resizable: true,
                                        width: 100,
                                        format: 'm/d/Y',
                                        dataIndex: 'date',
                                        id: 'savedPlansDate'
                                    }
                                ],
                                        store: new Ext.data.Store({
                                            url : 'teacher_tools/lessonplans_data.json.php',
                                            baseParams: {command: 'masterPlan', xaction: 'read'},
                                            reader: new Ext.data.JsonReader({root: 'masterPlans'}, [      
                                            	  {name: 'id'},
                                            	  {name: 'plan'},
                                            	  {name: 'title'},
                                            	  {name: 'courseid'},
                                            	  {name: 'date'}                                                                                           	  
                                            ]),
                                            autoLoad : false
                                        }),
                                        sm: sm
                            });
}

Ext.extend(lessonplansManageSavedGrid, Ext.grid.GridPanel);