Ext.onReady(function(){
    var myData = [
        ['Apple',29.89,0.24,0.81,'9/1 12:00am'],		
        ['Ext',83.81,0.28,0.34,'9/12 12:00am'],		
        ['Google',71.72,0.02,0.03,'10/1 12:00am'],		
        ['Microsoft',52.55,0.01,0.02,'7/4 12:00am'],		
        ['Yahoo!',29.01,0.42,1.47,'5/22 12:00am']	
    ];
    
    var ds = new Ext.data.Store({
        proxy: new Ext.data.MemoryProxy(myData),		
        reader: new Ext.data.ArrayReader({id: 0}, 
        [			
            {name: 'company'},			
            {name: 'price', type: 'float'},			
            {name: 'change', type: 'float'},			
            {name: 'pctChange', type: 'float'},			
            {name: 'lastChange', type: 'date', dateFormat: 'n/j h:ia'}		
        ])
        });
        ds.load();
        var colModel = new Ext.grid.ColumnModel
        ([		
            {header: "Company", width: 120, sortable: true, dataIndex: 'company'},		
            {header: "Price", width: 90, sortable: true, dataIndex: 'price'},		
            {header: "Change", width: 90, sortable: true, dataIndex: 'change'},		
            {header: "% Change", width: 90, sortable: true, dataIndex: 'pctChange'},		
            {header: "Last Updated", width: 120, sortable: true, 			
                renderer: Ext.util.Format.dateRenderer('m/d/Y'), 
                dataIndex: 'lastChange'}	
        ]);
        var grid = new Ext.grid.Grid('grid-example', {ds: ds, cm: colModel});
        grid.render();
        grid.getSelectionModel().selectFirstRow();
});