title: how to open new page in same tab on clicking any option of drop down menu in html
body: <p>I have a drop down list. I have links in each option, when user changes option I want to open new page in same tab. but here page opens in new tab.</p>
  
  <pre><code>&lt;html&gt;
     &lt;body&gt;
        &lt;form name="opennew"&gt;
           &lt;select name="sites" id="sites"&gt;
              &lt;option value="" selected&gt;Select Site&lt;/option&gt;
              &lt;option value="http://www.yahoo.com"&gt;Yahoo!!!&lt;/option&gt;
              &lt;option value="http://www.gmail.com"&gt;Gmail&lt;/option&gt;
              &lt;option value="http://www.google.co.in"&gt;Google&lt;/option&gt;
              &lt;option value="http://www.facebook.com"&gt;Facebook&lt;/option&gt;
           &lt;/select&gt;
  
           &lt;input type="button" name="Submit" value="Go!" onClick="window.open(sites.value)"&gt;
        &lt;/form&gt;
     &lt;/body&gt;
  &lt;/html&gt;
  </code></pre>
  
  <p><strong><a href="http://jsfiddle.net/ChU8G/" rel="nofollow">LIVE DEMO</a></strong></p>