if(document.nav_form.protocol.value=="https")
{
oas ='https://oas-eu.247realmedia.com/RealMedia/ads/';
}
else
{
oas='http://ads.britishairways.com/RealMedia/ads/';
}
audience = document.nav_form.audience.value.toLowerCase();
page = document.nav_form.pageid.value.toLowerCase();
country = document.nav_form.country.value.toLowerCase();
login = document.nav_form.logintype.value.toLowerCase();
tier = document.nav_form.tier.value.toLowerCase();
language = document.nav_form.language.value.toLowerCase();
sitepage = 'www.britishairways.com/'+ audience + '/' + page;
query = '?kw1='+ page+'_'+country+'_'+login+'_'+tier+'_'+language+'_'+ '&country='+country + '&login='+login+'&tier='+tier+'&lang='+language;