// this is the paging toolbar below the grid

    var pagebar = new Ext.PagingToolbar({
        id: 'pagebar'
        ,pageSize: 10
        ,store: store
        ,displayInfo: true
        ,items: [
            '-' ,'Rows:' ,' ' ,{
                xtype: 'combo'
                ,mode: 'local'
                ,allowBlank: false
                ,triggerAction: 'all'
                ,lazyInit: false
                ,width: 50
                ,maskRe: /[0-9]/
                ,store: [10, 20, 50, 100, 'all']
                ,listeners: {
                    render: function(combo) {
                        var pgsz = Ext.state.Manager.get('lfb-pgsz', pagebar.pageSize);
                        combo.setValue( isNaN(pgsz) ? 'all' : pgsz );
                    }
                    ,select: function(combo) {
                        pagebar.pageSize = parseInt(combo.getRawValue(), 10);
                        Ext.state.Manager.set('lfb-pgsz', pagebar.pageSize);
                        pagebar.doLoad(pagebar.cursor);
                    }
                    ,specialkey: function(combo, e) {
                        if (e.getKey() == 13) {
                            pagebar.pageSize = parseInt(combo.getRawValue(), 10) || 'all';
                            Ext.state.Manager.set('lfb-pgsz', pagebar.pageSize);
                            combo.setValue(pagebar.pageSize);
                            pagebar.doLoad(pagebar.cursor);
                        }
                    }
                }
            }
        ]
    });

    // allow the pager to display the correct numbers even though the
    // store itself has one too many records in (because of the
    // filter/search row)

    Ext.override(Ext.PagingToolbar, {
        updateInfo : function(){
            if(this.displayEl){
                var count = this.store.getCount() - 1;
                var msg = count == 0 ? 
                    this.emptyMsg :
                    String.format(
                        this.displayMsg,
                        this.cursor+1, this.cursor+count, this.store.getTotalCount()
                    );  
                this.displayEl.update(msg);
            }
        }

        // make the "Page x of y" work when we choose to show all rows
        ,getPageData : function(){
            var total = this.store.getTotalCount();
            var pgsz = Ext.state.Manager.get('lfb-pgsz', pagebar.pageSize);
            if (isNaN(pgsz)) { pgsz = total }
            return {
                total : total
                ,activePage : Math.ceil((this.cursor + pgsz) / pgsz)
                ,pages :  total < pgsz ? 1 : Math.ceil(total / pgsz)
            };
        }
    });