title: Form processing problem with input type 'image'
body: <p>For example i use this little code:</p>
  
  <pre><code> &lt;?php
        if (isset($_POST['Submit'])){
              if ((@$_POST['Submit'] == 'x'))
              {
             echo "OK";exit;
  
              }else{
             echo "NOT";
  
              }
        }
  ?&gt;
  
      &lt;html&gt;
      &lt;body&gt;
      &lt;form action="test.php" method="post" enctype="multipart/form-data"&gt;
      &lt;input name="Submit" type="image" src="images/table/button.png" value="x" &gt;
      &lt;/form&gt;
      &lt;/body&gt;
      &lt;/html&gt;
  </code></pre>
  
  <p>In Mozilla (3.5.5) works well, after submit OK was printed. I test it on IE8 and Opera 10, and not work. Nothing printed. The form not proccessed after hit, just reload the page.</p>
  
  <p>Could you help me, how can i use image for submitting form, to work all browser? Thank you.</p>