ok, I changed it to this:
<TD align=\"left\" valign=\"middle\" bgcolor=\"#D8D9A0\" style=\"border-style: solid; border-width: 1; border-color: #FFFFFF;\">
<input width=\"200\" type=\"text\" class=\"rpgnet\" name=\"site_url\" value=\"echo "$data['url']";\">
</TD>
</TR>
<TR>
<TD align=\"left\" valign=\"middle\" bgcolor=\"#DBB573\" style=\"border-style: solid; border-width: 1; border-color: #FFFFFF;\">
Your button url:
</TD>
<TD align=\"left\" valign=\"middle\" bgcolor=\"#D8D9A0\" style=\"border-style: solid; border-width: 1; border-color: #FFFFFF;\">
<input width=\"200\" type=\"text\" class=\"rpgnet\" name=\"button_url\" value=\"echo "$data['filename']";\">
</TD>
but I still get this error:
Parse error: parse error, expecting ','' or';'' in login.php on line 100