Genealogy Computer Tips (Rootsweb) uses the FreeFind Search engine.
The code as it is given by FreeFind which will NOT validate.
<!-- start of freefind search box html -->
<table cellpadding=0
cellspacing=0 border=0 >
<tr>
<td style="font-family: Arial, Helvetica,
sans-serif; font-size: 7.5pt;">
<form style="margin:0px; margin-top:4px;"
action="https://search.freefind.com/find.html" method="get"
accept-charset="utf-8" target="_self">
<input type="hidden" name="si"
value="34737488">
<input type="hidden" name="pid" value="r">
<input
type="hidden" name="n" value="0">
<input type="hidden" name="_charset_"
value="">
<input type="hidden" name="bcd" value="÷">
<input
type="text" name="query" size="15">
<input type="submit" value="search">
</form>
</td>
</tr>
<tr>
<td style="text-align:left; font-family:
Arial, Helvetica, sans-serif; font-size: 7.5pt; padding-top:4px;">
<a
style="text-decoration:none; color:gray;" href="https://www.freefind.com"
rel="nofollow">search engine</a><a style="text-decoration:none; color:gray;"
href="https://www.freefind.com" rel="nofollow" > by
<span style="color:
#606060;">freefind</span></a>
</td>
</tr>
</table>
<!-- end of
freefind search box html -->
Coding has been tweaked to allow it to validate and the styles moved to a css file.
Style block for FreeFind Search Form