if((navigator.userAgent.match(/iPhone/i)) || (navigator.userAgent.match(/iPod/i)) || (navigator.userAgent.match(/Blackberry/i)) || (navigator.userAgent.match(/PSP/i)) || (navigator.userAgent.match(/Android/i)))
{
    window.location = 'http://mobile703.suite703.com/track/' + natsmobile_na + '/';
}