Graphics problem. Stick a frame to an element

Hi .
i am designing a webpage editor program.
i use therefore the webbrowser control.
what i want to do is to stick a frame around an element
that is seen in the webbrowser control.

for example there is an image on the page ,i want to stick a frame around that image. or thereis a command button i want to stick a frame around that button.

of course when i use the scrollbar i want this frame to scroll together with the page.

do you know where to look for this stuff?
shall i use bitblt ?

thanks!