function getSubDomain()
    {                
        var domain, domainpart, subdomain;
        var firstdot, seconddot;

        domain = document.domain;
        subdomain = '';
        
        if (domain == '') {
            domain = 'NotAvailable (local?)';
        };
        
        firstdot = domain.indexOf('.');
        if (firstdot > 0) {
            domainpart = domain.substring(firstdot+1);  
            
            seconddot = domainpart.indexOf('.');        
            if (seconddot > 0){
                subdomain = domain.substring(0, firstdot);   
            };
        };
                
        return subdomain;
    }

    function getReseller() {
        /* Could also check on parameters in querystring*/ 
        var reseller, subdomain;
        subdomain = getSubDomain(); 
        
        if ((subdomain != '') && (subdomain.toLowerCase() != 'www')) {
            reseller = subdomain;
        }else{
            reseller = '';
        };
        
        return reseller;       
    }