function getGoogleDirections(destinationPostcode)
{
	window.open('http://maps.google.co.uk/maps?f=d&hl=en&saddr='+ document.getElementById('googlepostcode').value + '&daddr=' + destinationPostcode + '&ie=UTF8&z=13&om=1','_blank');	
}

function clearText(textBoxID,defaultVal)
{
       if (document.getElementById(textBoxID).value == defaultVal) document.getElementById(textBoxID).value = '';
}