No one answered my initial question, so let me ask it differently. Hopefully it will make more sense this time.
uncaught exception Sys.ScriptLoadFailedExcept
ion: The script 'http://www.***.js'
failed to load. Check for:
Script errors. (IE) Enable 'Display a notification about every script error' under advanced settings.
Missing call to Sys.Application.notifyScri
I have added the following to the end of each .js file.
if (typeof(Sys) !== 'undefined') Sys.Application.notifyScri
Protected Sub Page_PreRender(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.PreRender
'FontFile?Name.Value contains the font name
'FontFile?File.Value contains the .js file name containing font information created by Cufon
ScriptManager.RegisterClientScriptInclude(UpdatePanel1, GetType(Page), FontFile1Name.Value, FontFile1File.Value)
ScriptManager.RegisterClientScriptInclude(UpdatePanel1, GetType(Page), FontFile2Name.Value, FontFile2File.Value)