title: The "coords" attribute of the <area shape="rect"> tag is not in the "left,top,right,bottom" format.error in firefox
body: <p>I m getting this error when i tried to run my code in Firefox. Its working fine in IE. Actually i'm trying to achieve rollover effect on image by defining image map </p>
  
  <pre><code>&lt;map name="planetmap"&gt; 
      &lt;area class="a1" shape="rect" coords="420,120,380,100" alt="Ring" href="#"/&gt; 
      &lt;area class="a2" shape="rect" coords="300,330,400,250" alt="Ring" href="#"/&gt; 
      &lt;area class="a3" shape="rect" coords="610,190,580,270" alt="Ring" href="#"/&gt; 
      &lt;area class="a4" shape="rect" coords="450,250,550,400" alt="Ring" href="#"/&gt;
  &lt;/map&gt;
  </code></pre>
  
  <p>Please help me to fix this issue when i mouse over on image nothing is opening in Firefox.</p>