I want to set up the index of the selectedItem in my javascript.
Thanks you
Gabriel Deschênes
You can probably get at the items from the items property off the imageviewer object:
http://help.infragistics.com/Help/NetAdvantage/ASPNET/2009.1/CLR3.5/html/WebImageViewer~Infragistics.Web.UI.WebImageViewer_members.html
Then off that item you should be able to call the select method:
http://help.infragistics.com/Help/NetAdvantage/ASPNET/2009.1/CLR3.5/html/WebImageViewer~Infragistics.Web.UI.ImageItem_members.html