line4 = [25, 12.5, 6.25, 3.125]; 
        plot4 = $.jqplot('chart4', [line4], { 
            legend:{show:true, location:'ne'}, 
            title:'Log Y Axis, Even Tick Distribution', 
            series:[{label:'Declining line'}], 
            axes:{
                xaxis:{min:0, max:5}, 
                yaxis:{min:1, max:64, renderer:$.jqplot.LogAxisRenderer}
            }
        });