Table header background image tiling vertically

background-repeat: repeat-x;

<html>
<head><title>Gradient Test</title>
<style type="text/css">
    th {
    	color:brown;
    	background-image:url(http://img222.imageshack.us/img222/6586/fillhz2.png);
    	background-repeat:repeat-x;
    	margin: 0;
    }
</style>
</head>
<body>
    <table>
    	<tr>
    		<th>One line</th>
    		<th>Three<br>lines<br>of text</th>
    	</tr>
    	<tr>
    		<td>Data</td>
    		<td>Data</td>
    	</tr>
    </table>
</body>
</html>