function is_mobile() {
    var regex_match = /(nokia|iphone|android|motorola|^mot- |softbank|foma|docomo|kddi|up.browser|up.link|htc|dopod|blazer|netfront|helio|hosin|huawei|novarra|CoolPad|webos|techfaith|palmsource|blackberry|alcatel|amoi |ktouch|nexian|samsung|^sam-|s[cg]h|^lge|ericsson|philips|sagem|wellcom|bunjalloo|maui|symbian|smartphone|midp|wap|phone|windows  ce|iemobile|^spice|^bird|^zte-|longcos|pantech|gionee|^sie-|portalmmm|jigs browser|hiptop|^benq|haier|^lct|operas*mobi|opera*mini|320x320|240x320|176x220)/i;
    var u = navigator.userAgent;
    if (null == u) {
        return true;
    }
    var result = regex_match.exec(u);
    if (null == result) {
        return false
    } else {
        return true
    }
}
var url = window.location.href;
mobile = "m.rotarydrillinghose.com";

url = url.replace("http://", "");
var temp = url.split("/");
if (is_mobile()) {
    if (url.indexOf(mobile) < 0) {
        var surl = "http://" + mobile;
        for (var i = 0; i < temp.length; i++) {			
            if (i != 0){
                surl = surl + "/" + temp[i];
			}
        }
        document.location.href = surl;
    }
}
else {
    if (url.indexOf("mobile") > 0) {
        //document.location.href = url.replace("/mobile", "");
    }
}