title: IE 10 Beta - window.showModalDialog ignores dialogHeight and dialogWidth when opening window which has framset in it
body: <p>Note: Issue occurs only with IE 10 Beta release</p>
  
  <p>Scenario:
  a.html has showModalDialog to open b.html:
      <code>window.showModalDialog(b.html, self, 'dialogHeight=800px;dialogWidth=900px');</code></p>
  
  <p>b.html has frameset in it :
      <code>&lt;%@ Page Language="vb" AutoEventWireup="false" Codebehind="somefile.aspx.vb"&gt;
      &lt;!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN"&gt;
      &lt;HTML&gt;
      &lt;HEAD&gt;
      Some Title
      &lt;/TITLE&gt;
      &lt;/HEAD&gt;
      &lt;frameset rows="40px,*" border="0" frameSpacing="0" frameBorder="0"&gt;
      &lt;frame src="myfile.aspx" noresize height="100%" width="100%" scrolling="no"&gt;
      &lt;/frameset&gt;
      &lt;/HTML&gt;</code></p>
  
  <p>Issue:
  When I try to open b.html using window.showModalDialog from a.html, the popup appears in a small window though I gave dialogHeight and dialogWidth. This happens only with IE10. I am using beta version. Please help.</p>