/* Browser selector */

var _oldOnLoad = window.onload;
window.onload = function() {
    (typeof(_oldOnLoad) === 'function') && (_oldOnLoad());
    var userAgent = navigator.userAgent.toLowerCase();
    function check(question) {
        return userAgent.indexOf(question) !== -1;
    }
    var body = document.getElementsByTagName('body')[0];
    var className = (check('chrome')) ? 'chrome webkit safari' : ((check('applewebkit/')) ? 'webkit safari' : '');
    body.className += (body.className) ?' ' + className : className;
};