/* dynamic select box */
function dynamic_Select(ajax_page, Contact0_PermitArea) {
   $.ajax({
      type: "GET",
      url: ajax_page,
      data: "ch=" + Contact0_PermitArea,
      dataType: "text/html",
      success: function(html){       
         $("#Contact0_PermitArea").html(html);     
      }
   });
}