I think you want something more like this:

Code:
<script language="JavaScript">
var test = 2;
if (test==1) {
document.writeln('<table>');
document.writeln('<tr>');
document.writeln('   <td><input type=text name=t1 value=Component size=8></td>');
document.writeln('</tr>');
document.writeln('</table>');
}
</script>