Dependent drop down boxes with javascript?

I am new to Struts. I need to implement dependent drop down boxes.

it's not working for Dependent drop down boxes 2nd state drop box is not properly working ..

2nd drop down box not orderly displayed ...
please help any one

<%@page contentType="text/html" pageEncoding="UTF-8"%>
<%@taglib uri="/WEB-INF/struts-html.tld" prefix="html"%>
<%@taglib uri="/WEB-INF/struts-bean.tld" prefix="bean"%>
<html>
<head>
<title></title>
<script>
	function submitform() {

var forms = document.getElementsByTagName('form');

for ( var formIndex = 0; formIndex < forms.length; formIndex++) {
			forms[formIndex].submit();

}
	}
</script>
<head>

<html:form action="/country">

Select Country:
		<html:select name="CountryForm" property="country" onchange="submitform()">
		<html:option value="0">--Select Country--</html:option>
		<html:optionsCollection name="CountryForm" property="countryList"
			label="countryname" value="countryid" />
	</html:select>
	</br>
	
		Select state:
		<html:select name="CountryForm" property="state" onchange="submitform()">
		<html:option value="0">--Select Country--</html:option>
		<html:optionsCollection name="CountryForm" property="stateList"
			label="label" value="value" />
	</html:select>

<html:submit value="save" property="method" />
	<html:reset value="Reset" />

</html:form>
</body>
</html>

public class CountryAction extends Action {
    
  
    private final static String SUCCESS = "success";
 
    public ActionForward execute(ActionMapping mapping, ActionForm form,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        CountryForm formBean=(CountryForm)form;
        ArrayList<country> countrylist=new ArrayList<country>();
        
        countrylist.add(new country("1","INDIA"));
        countrylist.add(new country("2","USA"));
        countrylist.add(new country("3","UK"));
        countrylist.add(new country("4","AUSTRALIA"));
        formBean.setCountry("");
        formBean.setCountryList(countrylist);
        
        ArrayList<LabelValueBean> statelist=new ArrayList<LabelValueBean>();
        statelist.add(new LabelValueBean("chennnai", "1"));
        statelist.add(new LabelValueBean("columbia", "2"));
        statelist.add(new LabelValueBean("london", "3"));
        statelist.add(new LabelValueBean("sydney", "4"));
        formBean.setState("");
        formBean.setStateList(statelist);
           return mapping.findForward(SUCCESS);
    }

public ActionForward save(ActionMapping mapping, ActionForm  form,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {

return mapping.findForward(SUCCESS);
    }
}

Your javascript code submits the form. It doesn't make the second select dependent on the first.
Struts 2 has a doubleselect tag. If you aren't maintaining legacy code, I'd recommend you use Struts 2. It is much easier to work with than Struts 1.x.