function UpdateLocation(location1, location2, Lang, emptyfirst){
  if ($(location1).value=='') return false;
  new Ajax.Request('/api/getlocations/' + $(location1).value + '/' + Lang + '/' +  location2 +'/' + emptyfirst, {  method: 'get',
															onLoading:  function(){
															     loading (location2);
															},
                                                            onComplete: function(transport) {
																UpdateSelectField (location2, transport.responseText, emptyfirst);
															}
														  });
}

function UpdateSelectField (id, respond, emptyfirst){
  respond.evalScripts();
}

function loading (id){
  $(id).options[0] = new Option('جاري التحميل', '');  
}