I am newbee Sharepoint developer, so forgive me if this is a silly question. I want to create subsites on a sitecollection. I have by code limited the available webtemplates for the subsites to two different templates (will be more later on). I can access those templates if I go to "Site Actions" -> "New Site". But I would also like to have those templates populate a dropdown-list on the site, so that the user can choose a template and press a "Create new site"-button. When they press that button I would like them to end up in the Silverlight control "Create new site" with choosen webtemplate, and the "More options" selected. Apparently I do not have enough "points" to add a snapshot of where I want the user to end up.
My question is how I open the "New site" "popup", when the user has choosen a webtemplate and clicked "Create a new site". I hope my question makes any sense.
My setting is Windows Server 2008 R2 and Sharepoint Server 2010 stand alone.