Flot Triple Axis Goal vs Money

HTML

<script src="http://people.iola.dk/olau/flot/jquery.flot.js"></script>
<div style="padding:20px">
<div id="placeholder" style="width:600px;height:300px;"></div>
</div>

JavaScript

$(function () {

    var goal = 2200;
    
    var toTimestamp = function(Y,m,d) {
        return (new Date(Y,m,d)).getTime();;
    };

    var percFormatter = function(val, axis) {
        return (val / goal * 100).toFixed() + '%';
        // you need to devide be the goal
    }

    var moneyFormatter = function (val, axis) {
        return val + "$";
    };

    var options = {
        
        grid: {
            show: true,
            hoverable: true,
            borderWidth: 0,
            tickColor: "rgba(255, 255, 255, 0)",
        },
        xaxis: {
            mode: 'time',
            timezone: 'browser',
            timeformat: "%d/%m",
        },
        yaxes: [
            {
                min: 0,
                tickFormatter: moneyFormatter
            },
        ]
    };

    var series = {
        
        money: {
            color: '#57A4F4',
            data: [
                [toTimestamp(2012,8,1), 10],
                [toTimestamp(2012,8,2), 240],
                [toTimestamp(2012,8,3), 502],
                [toTimestamp(2012,8,4), 904],
                [toTimestamp(2012,8,5), 400],
                [toTimestamp(2012,8,8), 20]
            ],
            lines: {
                show: true
            },
            points: {
                show: true
            },
            label: 'Money'
        },

        bars: {
            color: '#000000',
            data: [
                [toTimestamp(2012,7,30), 100],
                [toTimestamp(2012,8,2), 20],
                [toTimestamp(2012,8,3), 50],
            ],
            bars: {
                show: true,
                lineWidth: 20
            },
            label: 'Bar'
        },
            
        goal: {
            color: 'red',
            data: [
                [toTimestamp(2012,7,28), 200 ],
                [toTimestamp(2012,8,1), 300 ],
                [toTimestamp(2012,8,12), 100 ]
            ],
            label: 'Goal',
            shadowSize: 0,
           ...