imageurl in siteMapNode

[BVM]

Hi,

I have a menu and a SiteMap. I try to include an image in the menu. I do like this in Sitemap:

<siteMapNode url="~/Project.aspx" title="Project Information" description="Pr oject Information" imageUrl="~/Images/prjdir.gif"/>

But I cannot get image displayed. Do you know why?

Thanks

Dennis