the first error:
look at what you have:
<ul>
<form method="get" id="searchform" action="/index.php">
<input type="text" value="" name="s" id="s" /><input type="submit" id="sidebarsubmit" value="Search" />
</form>
</ul>
thats a form inside an unordered list, but you dont have any list item tags.
you need this:
<ul>
<li>
<form>
</form>
</li>
</ul>
you cant have uls without lis
the second error:
you have:
<a href="http://contentdesk.com/cmd.php?Clk=1983027"><img src="http://authorityblackbook.com/authority_blackbook3.gif" alt="Authority Black Book" width="125" height="125" border="0"</a>
the <img> is unclosed. they are self closing in XHTML.
you want this:
<a href="http://contentdesk.com/cmd.php?Clk=1983027"><img src="http://authorityblackbook.com/authority_blackbook3.gif" alt="Authority Black Book" width="125" height="125" border="0" /></a>
the 3rd error is the same as the second one. you didnt close the <img> tag
the 4th error is that you didnt include an alt="something with the image used in error #3.
--
The uploaded document "www.knockoutodors.com.htm" was checked and found to be valid XHTML 1.0 Transitional. blah blah blah.
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Take my information, read it, fix one item at a time, and then revalidate. Fix the next error, revalidate. Next error, revalidate. Next error, revalidate.
And thank you for turning off the popup. It's appreciated. :)