function chkdata(varobj)
{
   if (varobj.Name.value=="") 
   {
    alert("Please keyin your name!!");
    varobj.Name.focus();
    return false;
   }
   
   if (varobj.Country.selectedIndex==0) 
   {
    alert("Please choise your Country!!");
    varobj.Country.focus();
    return false;
   }
   
   if (varobj.event.selectedIndex==0) 
   {
    alert("Please choise your Event!!");
    varobj.event.focus();
    return false;
   }

   if (varobj.Subject.value=="") 
   {
    alert("Please keyin your subject!!");
    varobj.Subject.focus();
    return false;
   }
   
   if (varobj.email.value=="") 
   {
    alert("Please keyin your E-Mail!!");
    varobj.email.focus();
    return false;
   }
   
   if (varobj.Content.value=="") 
   {
    alert("Please keyin your content!!");
    varobj.Content.focus();
    return false;
   }
}