Masterpage asp:Content - script language=JavaScript

To place JavaScript inside the child pages is simple...
 

 <asp:Content ID="Content1" ContentPlaceHolderID="mainCopy" runat="server">
 <script language="JavaScript" type="text/javascript" src="../Includes/CookieFunct.js"></script>
 <DIV>
 <DIV>
 </asp:Content>