var domain = document.getElementById('domain');

if(domain)
    if(domain.tagName == 'META')
        document.domain = domain.content;

var instance = document.getElementById('instance');

if(instance)
    if(instance.tagName == 'META')
        document.instance = instance.content;

var locale = document.getElementById('locale');

if(locale)
    if(locale.tagName == 'META')
        document.locale = locale.content;