document.write('<option value=267>市中</option>');
document.write('<option value=268>历下</option>');
document.write('<option value=269>槐荫</option>');
document.write('<option value=270>天桥</option>');
document.write('<option value=271>历城</option>');
document.write('<option value=272>长清</option>');
document.write('<option value=273>章丘</option>');
document.write('<option value=274>平阴</option>');
document.write('<option value=275>济阳</option>');
document.write('<option value=276>商河</option>');