function getAreas() {
	var postcode = $('#postcode').val();
	var town = $('#town').val();
	$.post('/page_scripts/flashPostCalc.php', { pcode: postcode, twn: town }, function(data) {
		if (data.err==1) { alert(data.response); }
		else if (data.areas.length>1) 
		{
			var select = '<select id="town">';
			for(i in data.areas)
				select += '<option value="'+data.areas[i].town+'">'+data.areas[i].town+'</option>';
			select += "</select>";
			if (town.length>0) $('#town').after('<br /><span>*'+town+' was not found in this postcode, please select from list</span>');
			$('#town').replaceWith(select);
		}
		else
		{
			//$("#postage_calc .info").html(data.response);
			window.location=window.location;
		}
	}, "json");
	return false;
}