jackroscoe

var ft_startDate = 0,
    ft_startTime = 0,
    ft_pageTitle = document.title,
    ft_duration = false;

$(':input').focus(function() {
    /* Make a record of when the user focused on the input */
    ft_startDate = new Date();
    ft_startTime = ft_startDate.getTime();
});

jackroscoe

    /* This was adpated from Daniel Ryan's gist @ https://gist.github.com/dryan/738720 */
          
    function supports3d() {
        // borrowed from modernizr
        var div = document.createElement('div'),
            ret = false,
            properties = ['perspectiveProperty', 'WebkitPerspective'];
        for (var i = properties.length - 1; i >= 0; i--){
            ret = ret ? ret : div.style[properties[i]] != undefined;
        };