Main navigation menu problem at www.mixedrealitylab.org

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                                    <li><a href="http://www.mixedreality.nus.edu.sg/index.php/about-us/" onmouseover="mopen('m1')" onmouseout="mclosetime()">About Us<div id="m1" onmouseover="mcancelclosetime()" onmouseout="mclosetime()"><a href="http://www.mixedreality.nus.edu.sg/index.php/about-us/cute-mxr/">CUTE / MXR</a><a href="http://www.mixedreality.nus.edu.sg/index.php/about-us/research/">Research</a><a href="http://www.mixedreality.nus.edu.sg/index.php/about-us/awardsprizes/">Awards/Prizes</a><a href="http://www.mixedreality.nus.edu.sg/index.php/about-us/people/">People</a><a href="http://www.mixedreality.nus.edu.sg/index.php/about-us/location/">Location</a><a href="http://www.mixedreality.nus.edu.sg/index.php/about-us/site-map/">Site Map</a></div></a></li><li><a href="http://www.mixedreality.nus.edu.sg/index.php/projects/" onmouseover="mopen('m2')" onmouseout="mclosetime()">Projects<div id="m2" onmouseover="mcancelclosetime()" onmouseout="mclosetime()"><a href="http://www.mixedreality.nus.edu.sg/index.php/projects/all-projects/">All Projects</a><a href="http://www.mixedreality.nus.edu.sg/index.php/projects/software/">Software</a><a href="http://www.mixedreality.nus.edu.sg/index.php/projects/lab-start-up-companies/">Lab Start Up Companies </a><a href="http://www.mixedreality.nus.edu.sg/index.php/projects/paper-lists/">Publications</a><a href="http://www.mixedreality.nus.edu.sg/index.php/projects/booklist/">Booklist</a><a href="http://www.mixedreality.nus.edu.sg//media/mxrwiki/mxrwiki/doku.php?id=start" target="_blank">Student Progress Reports</a></div></a></li><li><a href="http://www.mixedreality.nus.edu.sg/index.php/mediacenter/" onmouseover="mopen('m3')" onmouseout="mclosetime()">Media<div id="m3" onmouseover="mcancelclosetime()" onmouseout="mclosetime()"><a href="http://www.mixedreality.nus.edu.sg/index.php/mediacenter/press/">Press</a><a href="http://www.mixedreality.nus.edu.sg/index.php/mediacenter/events/">Events</a><a href="http://picasaweb.google.com/106341802660447646160" target="_blank">Photos</a><a href="http://www.youtube.com/user/mixedrealitylab" target="_blank">YouTube</a><a href="http://www.mixedreality.nus.edu.sg/index.php/mediacenter/terms-of-use">Terms Of Use</a></div></a></li>

01-line145-beautified.html

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<li>
  <a href="http://www.mixedreality.nus.edu.sg/index.php/about-us/" onmouseover="mopen('m1')" onmouseout="mclosetime()">About Us
    <div id="m1" onmouseover="mcancelclosetime()" onmouseout="mclosetime()">
      <a href="http://www.mixedreality.nus.edu.sg/index.php/about-us/cute-mxr/">CUTE / MXR</a>
      <a href="http://www.mixedreality.nus.edu.sg/index.php/about-us/research/">Research</a>
      <a href="http://www.mixedreality.nus.edu.sg/index.php/about-us/awardsprizes/">Awards/Prizes</a>
      <a href="http://www.mixedreality.nus.edu.sg/index.php/about-us/people/">People</a>
      <a href="http://www.mixedreality.nus.edu.sg/index.php/about-us/location/">Location</a>
      <a href="http://www.mixedreality.nus.edu.sg/index.php/about-us/site-map/">Site Map</a>
    </div>
  </a>
</li>

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<li><a href="http://www.mixedreality.nus.edu.sg/index.php/projects/" onmouseover="mopen('m2')" onmouseout="mclosetime()">Projects<div id="m2" onmouseover="mcancelclosetime()" onmouseout="mclosetime()"><a href="http://www.mixedreality.nus.edu.sg/index.php/projects/all-projects/">All Projects</a><a href="http://www.mixedreality.nus.edu.sg/index.php/projects/software/">Software</a><a href="http://www.mixedreality.nus.edu.sg/index.php/projects/lab-start-up-companies/">Lab Start Up Companies </a><a href="http://www.mixedreality.nus.edu.sg/index.php/projects/paper-lists/">Publications</a><a href="http://www.mixedreality.nus.edu.sg/index.php/projects/booklist/">Booklist</a><a href="http://www.mixedreality.nus.edu.sg//media/mxrwiki/mxrwiki/doku.php?id=start" target="_blank">Student Progress Reports</a></div></a></li>

<li><a href="http://www.mixedreality.nus.edu.sg/index.php/mediacenter/" onmouseover="mopen('m3')" onmouseout="mclosetime()">Media<div id="m3" onmouseover="mcancelclosetime()" onmouseout="mclosetime()"><a href="http://www.mixedreality.nus.edu.sg/index.php/mediacenter/press/">Press</a><a href="http://www.mixedreality.nus.edu.sg/index.php/mediacenter/events/">Events</a><a href="http://picasaweb.google.com/106341802660447646160" target="_blank">Photos</a><a href="http://www.youtube.com/user/mixedrealitylab" target="_blank">YouTube</a><a href="http://www.mixedreality.nus.edu.sg/index.php/mediacenter/terms-of-use">Terms Of Use</a></div></a></li>

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<li>
  <a href="http://www.mixedreality.nus.edu.sg/index.php/projects/" onmouseover="mopen('m2')" onmouseout="mclosetime()">Projects</a>
  <div id="m2" onmouseover="mcancelclosetime()" onmouseout="mclosetime()" style="visibility: hidden; ">
    <a href="http://www.mixedreality.nus.edu.sg/index.php/projects/" onmouseover="mopen('m2')" onmouseout="mclosetime()"></a>
    <a href="http://www.mixedreality.nus.edu.sg/index.php/projects/all-projects/">All Projects</a>
    <a href="http://www.mixedreality.nus.edu.sg/index.php/projects/software/">Software</a>
    <a href="http://www.mixedreality.nus.edu.sg/index.php/projects/lab-start-up-companies/">Lab Start Up Companies </a>
    <a href="http://www.mixedreality.nus.edu.sg/index.php/projects/paper-lists/">Publications</a>
    <a href="http://www.mixedreality.nus.edu.sg/index.php/projects/booklist/">Booklist</a>
    <a href="http://www.mixedreality.nus.edu.sg//media/mxrwiki/mxrwiki/doku.php?id=start" target="_blank">Student Progress Reports</a>
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<li><a href="http://www.mixedreality.nus.edu.sg/index.php/about-us/" onmouseover="mopen('m1')" onmouseout="mclosetime()">About Us</a><div id="m1" onmouseover="mcancelclosetime()" onmouseout="mclosetime()"><a href="http://www.mixedreality.nus.edu.sg/index.php/about-us/cute-mxr/">CUTE / MXR</a><a href="http://www.mixedreality.nus.edu.sg/index.php/about-us/research/">Research</a><a href="http://www.mixedreality.nus.edu.sg/index.php/about-us/awardsprizes/">Awards/Prizes</a><a href="http://www.mixedreality.nus.edu.sg/index.php/about-us/people/">People</a><a href="http://www.mixedreality.nus.edu.sg/index.php/about-us/location/">Location</a><a href="http://www.mixedreality.nus.edu.sg/index.php/about-us/site-map/">Site Map</a></div></li>

<!-- Beautified version. -->

<li>
  <a href="http://www.mixedreality.nus.edu.sg/index.php/projects/" onmouseover="mopen('m2')" onmouseout="mclosetime()">Projects</a>
  <div id="m2" onmouseover="mcancelclosetime()" onmouseout="mclosetime()" style="visibility: hidden; ">
    <a href="http://www.mixedreality.nus.edu.sg/index.php/projects/all-projects/">All Projects</a>
    <a href="http://www.mixedreality.nus.edu.sg/index.php/projects/software/">Software</a>
    <a href="http://www.mixedreality.nus.edu.sg/index.php/projects/lab-start-up-companies/">Lab Start Up Companies </a>
    <a href="http://www.mixedreality.nus.edu.sg/index.php/projects/paper-lists/">Publications</a>
    <a href="http://www.mixedreality.nus.edu.sg/index.php/projects/booklist/">Booklist</a>
    <a href="http://www.mixedreality.nus.edu.sg//media/mxrwiki/mxrwiki/doku.php?id=start" target="_blank">Student Progress Reports</a>
  </div>
</li>