You can use the title window as a popup, the modal property
will fade the background also. For that matter you can even
directly popup the image using flex.
If you want to display an HTML on the popup, then you will
have to make use of some components readily available on net...
What they do is to open an iframe and display the html there.. The
iframe is placed in such a way that it gives the impression of a
The existing js can be called directly frm flex using the