Consider the following scenario:

• You develop a Web page that contains IFRAME elements.
• To make the Web page editable, you set the DesignMode property for an IFRAME element to ON.
• You set the width property and the height property for the IFRAME element as a percentage value.

When you use Windows Internet Explorer 7 to visit the Web page in this scenario, you notice that the contents of the IFRAME element are not rendered correctly. Instead, the IFRAME element is blank. Or, you cannot edit the contents of the IFRAME element even if the contents are displayed.