function area_details() {

if (req.readyState!=4 || req.status!=200) {
   return;
}
response  = req.responseXML.documentElement;
town = response.getElementsByTagName('town')[0].firstChild.data;
county = response.getElementsByTagName('county')[0].firstChild.data;
town_box=document.getElementById('town');
county_box=document.getElementById('county');
			
town_box.value=town;
county_box.value=county;	


}


function get_postcode(p)
{
    if(p) {
    url  = ROOTURL+'postcode_find.php?p='+p;
    loadXMLDoc(url,'area_details');
    }
}