function validateform(){
var error = '';
if (document.search.keywords.value == ''){
error = 'Please supply a search criteria';
document.search.keywords.focus();
}
if (document.search.postcodearea.value == ''){
error = 'Please pick a region';
document.search.postcodearea.focus();
}
if (error == '')
{ return true; }
else
{
alert(error);
return false;
}
}