how to get selected text of textbox in jscript variable?

[clem]

Hello,

there is an asp.net textbox which contains some text.
<asp:textbox runat="server"></asp:textbox>

I select some part of the text with the mouse: how can i get that part of
text in a jscript variable?

Thanks
Clem

 

[clem]

i think i found:
document.selection.createRange().text