Change Google Chart positioning - google-visualization

Question

When I use Google Charts it uses a position: absolute inside one of it's div's. That messes up the layout.
On the HTML I put:
<div id="chart-1-year" />
And the Javascript:
google.load("visualization", "1", {packages:["corechart"]});
google.setOnLoadCallback(drawChart);
function drawChart() {
// Create and populate the data table.
var data = google.visualization.arrayToDataTable([
['x', 'Performance'],
<%= CurrentData.first.chart_1_year%>
]);
// Create and draw the visualization.
new google.visualization.LineChart(document.getElementById('chart-1-year')).
draw(data, {curveType: "function",
width: 500, height: 400, title: "Performance 1 Year"
}
);
}
I get the following on the browser (using Firebug):
<div class="row">
<div id="chart-1-year" style="position: relative;">
<div style="position: relative; width: 500px; height: 400px;" dir="ltr">
<div style="position: absolute; left: 0px; top: 0px; width: 100%; height: 100%;">
</div>
<div style="display: none; position: absolute; top: 410px; left: 510px; white-space: nowrap; font-family: Arial; font-size: 12px;">Performance</div>
</div>
</div>
It works fine if I remove the "position: absolute;" from the inner div.
How can I change that position setting?