$(function() { 
	$('#postcodeSearch').bind('focus', function() {
		if ($(this).val() == "Enter Town or Postcode") {
			$(this).val("");
		}
	});
	$('#postcodeSearch').bind('blur', function() {
		if ($(this).val() == "") {
			$(this).val("Enter Town or Postcode");
		}
	});
	//simple validation
	$('#postcodeSearchForm').bind('submit', function() {
		if ($('#postcodeSearch').val() == "Enter Town or Postcode") {
			alert("Please type in a postcode or town to search");
			return false;
		}
	});
});