$(document).ready(function(){

  

  //region abhängig von land

	var land_id = new String;

	var region_id = new String;

	$("select#land_id").change(function(){

	 	region_id = $("#land_id").val();

		Abfrage = "&region_id=" + region_id;

		$.get("php/form_abfrage_region.php", Abfrage, function(x){

      $("#region_id").html(x);

    })

  })

 

})