function disbale()
{
alert('disable function called');
var oCountry = document.forms['signup'][data[User][country]];
var oLocation = document.forms['signup'][data[User][location]];

if (oCountry.options[oCountry.selectedIndex].value == "GB") {
oLocation.style.display = 'inline';
} else {
oLocation.style.display = 'none';
}
}