Is there a query plugins to get the selected text from a textbox in asp.net

Is there a query plugins to get the selected text from a textbox in asp.net

I have two textboxes. when user selects any text in textbox1 on right contextmenu user gets an option to copy it. when user clicks on copy option the selected text should be copied to textbox2.

can any1 help me which jquery plugin will help me and how to use it?

thanks