function submitForms()
{
	if(isName() )
		return true;
	else
		return false;
}

function isName()
{
   var str_male;
   var str_female;
   str_male = form1.textfield_male.value;
   str_female = form1.textfield_female.value;

   if(form1.textfield_male.value == "")
   {
        alert ("\n Please fill in Male's english name");
        return false;
   }
   if(form1.textfield_female.value == "")
   {
        alert ("\n Please fill in Female's english name");
        return false;
   }
   for(i = 0; i < str_male.length; i++) {
       if(str_male.charCodeAt(i) > 128) {
		    alert ("\n You can only input English character for names ")
			return false;
       }

   }
   for(i = 0; i < str_female.length; i++) {
       if(str_female.charCodeAt(i) > 128) {
		    alert ("\n You can only input English character for names ")
			return false;
       }

   }

   return true;
}

function disable_menu() {

	if (form1.check_bd.checked) {
		form1.menu_male_day.disabled = false;
		form1.menu_male_month.disabled = false;
		form1.menu_male_year.disabled = false;
		form1.menu_female_day.disabled = false;
		form1.menu_female_month.disabled = false;
		form1.menu_female_year.disabled = false;
	}
	else {
		form1.menu_male_day.disabled = true;
		form1.menu_male_month.disabled = true;
		form1.menu_male_year.disabled = true;
		form1.menu_female_day.disabled = true;
		form1.menu_female_month.disabled = true;
		form1.menu_female_year.disabled = true;
	}
   
}