var Contact = 
{
  init : function() {
    Contact.showSelectedHelp();
    $('select[name=reason]').change(function() { Contact.showSelectedHelp(); });
  },
  
  showSelectedHelp : function() {
    $('.help').hide();
    $('.help.reason' + $('select[name=reason] option:selected').val()).show();
  }
}
$(document).ready(function() {
  Contact.init();
  
});