For sample code on how to do this look at message #710745

>Hi Sebastian,
>
>Take a look at the Page object's RegisterClientScriptBlock and RegisterStartupScript methods. You could call these methods from your base class page's OnLoad() method to put script code on all of your page subclasses.
>
>HTH,
>-B
>
>>Hi, Keith!
>>
>>Thanx for your fast answer...
>>
>>...but I forgot one important fact in my question: The script code is created by ASP.NET classes dynamically for each turn around of the aspx page and that's why must merged together at runtime!
>>
>>Any ideas?