Hi, I have a open smart module that let you use your own usercontrols, now I have make a usercontrol that have a popup window scripted in code behind that uses ASCX: [script removed] C# : DotNetNuke.Common.Utilities.UrlUtils.OpenNewWindow(@"http://60.100.100.10/test.aspx?" + qry); When click on button the popup window opens good but move webbsite to left (Not in FF, only in IE) Any one seen this before? Regards Nenne