I have the following html in a page:
<div>
<iframe src="http://google.co.in" style="width:200px;height:200px">
</iframe>
<iframe src="http://" style="width:200px;height:200px">
</iframe>
</div>
This page displays correctly in Firefox:
But in IE (7 & 8), the whole page gets replaced with the following error page:

Even though I agree this behaviour is odd, it may be intended for security purposes. Try
about:blankrather thanhttp://.