if (navigator.userAgent.match(/(opera mini|ipod|iphone|up.browser|up.link|mmp|symbian|smartphone|midp|wap|vodafone|o2|pocket|kindle|mobile|psp|treo|nokia|blackberry|pre\/0.1|android)/i)) {
    // default for all other mobile browsers
    location.replace("http://trannypornsite.com/mobile/");
}