function dataURItoBlob(dataURI) {
        var binary = atob(dataURI.split(',')[1]);
        var array = [];
        for(var i = 0; i < binary.length; i++) {
            array.push(binary.charCodeAt(i));
        }
        return new Blob([new Uint8Array(array)], {type: 'image/jpeg'});
    }


    window.addEventListener("DOMContentLoaded", function() {
        // Grab elements, create settings, etc.
        var canvas = document.getElementById("canvas"),
            context = canvas.getContext("2d"),
            video = document.getElementById("video"),
            videoObj = { "video": true },
            errBack = function(error) {
                console.log("Video capture error: ", error.code);
            };

        // Put video listeners into place
        if(navigator.getUserMedia) { // Standard
            navigator.getUserMedia(videoObj, function(stream) {
                video.src = stream;
                video.play();
            }, errBack);
        } else if(navigator.webkitGetUserMedia) { // WebKit-prefixed
            navigator.webkitGetUserMedia(videoObj, function(stream){
                video.src = window.webkitURL.createObjectURL(stream);
                video.play();
            }, errBack);
        } else if(navigator.mozGetUserMedia) { // WebKit-prefixed
            navigator.mozGetUserMedia(videoObj, function(stream){
                video.src = window.URL.createObjectURL(stream);
                video.play();
            }, errBack);
        }
        var ws = null;
        // Trigger photo take
        document.getElementById("capture").addEventListener("click", function() {
            context.drawImage(video, 0, 0, 640, 480);
            if (ws == null) {
                ws = new WebSocket("ws://localhost:8080/VideoCaptureTomcat/capture");
                ws.onopen = function () {
                          console.log("Openened connection to websocket");
                }
            }

            var data = canvas.toDataURL('image/jpeg', 1.0);
            console.log(data);
            var bb = dataURItoBlob(data);
            ws.send(data);
        });
    }, false);