function showMap()
{
document.location.href = 'http://www.streetmap.co.uk/streetmap.dll?Postcode2Map?code=MK19+7HQ&title=Excelsior+Doors+and+Joinery&back=Back+to+Excelsior+Doors+and+Joinery&url=' + self.location.href  + '&bimage=background%3dhttp://www.excelsiordoors.co.uk/images/bckgnd.jpg&zoom=3';
}

function pop(page) 
{ 
pop1 = window.open(page,'pop1','toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=yes,copyhistory=no,scrollbars=yes,width=500,height=500');
pop1.focus();
}