$(document).ready(function()
{
	var str = 'Your postcode';
	var emptyCol = '#8f8f8f';
	var filledCol = '#000';
	
	$("#postcode").css({'color':emptyCol});
	$("#postcode").val(str);
	$("#postcode").focus(function()
	{
		var fldval = $("#postcode").val();
		if (fldval == str)
		{
			$("#postcode").val('');
			$("#postcode").css({'color':filledCol});
		}
	});
	$("#postcode").blur(function()
	{
		var fldval = $("#postcode").val();
		if (fldval == '')
		{
			$("#postcode").val(str);
			$("#postcode").css({'color':emptyCol});
		}
	});
	
	$("#postcodeForm").submit(function()
	{
		var postcode = $("#postcode").val();
		postcode.replace(/ /,"+");
		window.open("http://maps.google.co.uk/maps?saddr="+postcode+"&daddr=NP20+2BX&hl=en","directions");
		return false;
	});
});