<html>
<head>
<style type='text/css'>
table {
table-layout:fixed;
}
.middles { text-align:left; width:30%/* expand this column to as large as it can get within table? */}
.wraps { word-wrap:break-word; /* use up entire cell this div is contained in? */ }
</style>
</head> <body>
<table width="100%" border="2"> <tr> <th class=left width=100>L-1
</th> <th width=100>L-2
</th> <th width=100>M
</th> <th width=100>R-1
</th> <th width=100>R-2
</th>
</tr> <tr> <td class=left>argle
</td> <td >bargle
</td> <td class="middles wraps">wwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww
</td> <td >glyp
</td> <td >glof
</td>
</tr>
</table>
</body>
</html>
Output:
