document.write('<select name=region class=input150 onChange="this.form.postcode.value=this.options[this.selectedIndex].value">');
document.write('<option value="">Any</option>');
document.write('<option value="-1">Central London</option>');
document.write('<option value="SW1">Clapham, London</option>');
document.write('<option value="-1">Essex</option>');
document.write('<option value="-1">Hampshire</option>');
document.write('<option value="-1">Hertfordshire</option>');
document.write('<option value="-1">London</option>');
document.write('<option value="-1">London </option>');
document.write('<option value="-1">London City</option>');
document.write('<option value="-1">Middlesex</option>');
document.write('<option value="-1">Norfolk</option>');
document.write('<option value="N1">North London</option>');
document.write('</select>');