showing pop up on dynamic control and returning value

Question

i have page in which textbox or other control are created dynamically.

 

i have a class library through which these control are created on page.

what i want is

dynamically add onmouseover event to few of those created textbox on which a popup will appear alongside that textbox containg two checkbox. 

 

suppose 3 textbox is there.

onmouseover each textbox pop will appear with two checkbox. suppose i checked one of those. in next textbox mouseover i checked both and on third again anyone check box. then on button click i should be able to get on each textbox what was the status of checkbox(i.e., checked or not). All this i have to do on class library page. i can just pass the ref of my aspx page to class library.

 

how can i do this. kindly suggest.