function readLinked(){var mm=$("select[name=arr_day]:first");$("#doa_linked").val($("select[name=dep_day]:first").val()+"-"+$("select[name=arr_day]:first").val()+"-"+$('option:selected',mm).html().substring(4,6));}
function updateLinked(date){$("select[name=dep_day]").val(date.substring(0,2));$("select[name=arr_day]").val(date.substring(3,5));}
$(document).ready(function(){$("select[name=dep_day]").change(function(){$("select[name=dep_day]").val($(this).val());readLinked();});$("select[name=arr_day]").change(function(){$("select[name=arr_day]").val($(this).val());readLinked();});})