duplicate function in dropdown list

[fezzabett]

i have one question. i have two different dropdown list. one to select members,and another one to select department. so i want function when i click on one button for example i named it 'add another option' button', so it will duplicate that two dropdown list below the two main dropdown list.when i want to remove it,so it will remove the the dropdown list.please someone help me.

[r035198x]

i have one question. i have two different dropdown list. one to select members,and another one to select department. so i want function when i click on one button for example i named it 'add another option' button', so it will duplicate that two dropdown list below the two main dropdown list.when i want to remove it,so it will remove the the dropdown list.please someone help me.

Just to be sure, are trying to do this in Java or in Javascript?
P.S Post any codes that you have tried as well.