title: how to make changes the value of one combobox when another changed in Struts2
body: <p>Actually i've two comboboxes.First one contains the countries list,and second one contains the states list.. if i click the particular country,the 2nd combobox should only show the states related to selected particular country only.</p>
  
  <p>how to do this in Struts2 jsp form,thanks in advance.....</p>