window.showModalDialog() opens up new ModalDialog instead of using existing Dialog
<p>I have written <code>base target="_self"</code> tag in head tag.
It works fine in IE6 but not in IE8.
<code>window.showModalDialog()</code> opens up new <code>ModalDialog</code> instead of using existing <code>Dialog</code>.
Can anybody help me?</p>
