var MyBorderPanel = new Ext.Panel({
    layout: 'border',
    renderTo: 'command_display',
    cls: 'auto-width-tab-strip',
    height:800,
    items: [
    {
        region: 'west',
        title: 'item1: <?=ui::getURLField("item1")?>',
        split: true,
        width: 500,
        minSize: 100,
        maxSize: 900,
        layout: 'fit', // specify layout manager for items
        items:   // this TabPanel is wrapped by another Panel
        baseTab
    },
    {
        region: 'center',
        title: 'item2 : <?=ui::getURLField("item2")?>',
        split: true,
        margins: '0 0 0 0',
        layout: 'fit', // specify layout manager for items
        items:            // this TabPanel is wrapped by another Panel
        compareTab
    }
]
});

var baseTab = new Ext.TabPanel({
    border: false, // already wrapped so don't add another border
    activeTab: 0, // second tab initially active
    items: [
    <?php
        $uihelper->perform("InitItem1Iteration");
        $comma = true;
        while($uihelper->hasNext("Item1Iteration"))
        {
            $uihelper->next("Item1Iteration");
    ?>
    <?=(!$comma?",":"")?>
    {
        title: 'some php code',
        id: 'some php code',
        autoScroll: true,
        contentEl: 'some php code',
    }
    <?php
    $comma = false;
    } ?>
    ]
});

listeners: {
    scroller: {
        scroll: function(scroller, offset) {
            console.log(scroller, offset);
        }
    }
}