var mobileAgent = new Array("iphone", "ipod", "ipad", "android", "mobile", "blackberry", "webos", "incognito", "webmate", "bada", "nokia", "lg", "ucweb", "skyfire");

    var browser = navigator.userAgent.toLowerCase();

    var isMobile = false;

    for (var i=0; i<mobileAgent.length; i++){ if (browser.indexOf(mobileAgent[i])!=-1){ isMobile = true;

    //alert(mobileAgent[i]);

    location.href = 'index-mobile.html';

    break; } } 

        var w = document.documentElement.clientWidth || document.body.clientWidth;

        // alert(w);

        if(w > 640){

            location.href = 'index.html';

        }