<%@ Page Language="vb" AutoEventWireup="false" Codebehind="Menu.aspx.vb" Inherits="Kassabuch.Menu"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML> <HEAD> <meta content="Visual Basic 7.0" name="CODE_LANGUAGE"> <meta content="JavaScript" name="vs_defaultClientScript"> <meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema"> <script language="javascript" id="clientEventHandlersJS"> <!-- function openBuchen() { window.open("buchen.aspx","mainframe"); } //--> </script> </HEAD> <body language="javascript" MS_POSITIONING="GridLayout"> <form id="Form1" method="post" runat="server"> <asp:linkbutton id="LinkButton2" style="Z-INDEX: 105; LEFT: 48px; POSITION: absolute; TOP: 56px" runat="server" OnClick=openBuchen()>Buchen</asp:linkbutton> </form> </body> </HTML>Thanks for help!