$MOBILE_URL = "http://mobile.qualitybigmovies.com/";
var WORDS = ["mobile", "blackberry", "j2me", "windows ce", "android", "psp", "ipod", "iphone", "opera mini"];
var WLEN = WORDS.length;
for (var i = 0; i < WLEN; i++)
{
    var re = new RegExp(WORDS[i], "i");
    if (re.exec(navigator.userAgent))
    {
        window.location = $MOBILE_URL;
        break;
    }
}