Allow adding additional css files to the embedded html

Useful for using, (for example) fontawesome icons for hotspots
vor 10 Jahren · ad5b4ff7b5
--- a/examples/example-video.htm
+++ b/examples/example-video.htm
@@ -3,6 +3,7 @@
 <head>
    <title>pannellum embed example</title>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
    
 </head>
 <body>
    <iframe title="pannellum panorama viewer" width="480" height="390" webkitAllowFullScreen mozallowfullscreen allowFullScreen style="border-style:none;" src="../src/pannellum.htm?tour=../examples/example-video.json"></iframe>
--- a/examples/example-video.json
+++ b/examples/example-video.json
@@ -2,7 +2,8 @@
    "default": {
        "author": "Matthew Petroff",
        "firstScene": "pond",
        "autoload": "yes"
        "autoload": "yes",
        "css": "/font-awesome/css/font-awesome.min.css"
    },
    
    "scenes": {
@@ -56,11 +57,19 @@
                },
                {
                    "pitch":0,
                    "yaw": -120,
                    "text": "Video Test ",
                    "type": "info",
                    "yaw": 0,
                    "text": "Video Test",
                    "type": "fa fa-camera",
                    "video": "../examples/big_buck_bunny_480p_h264.mov",
                    "width":200
                },
                {
                    "pitch":0,
                    "yaw": 30,
                    "text": "Image Test",
                    "type": "fa fa-photo",
                    "image": "http://upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Jordan_Pond_Maine.JPG/1024px-Jordan_Pond_Maine.JPG",
                    "width":200
                }
            ]
        }
--- a/src/js/pannellum.js
+++ b/src/js/pannellum.js
@@ -667,6 +667,9 @@ function processOptions() {
                document.getElementById('author_box').innerHTML = 'by ' + config[key];
                document.getElementById('panorama_info').style.display = 'inline';
                break;
                
            case 'css':
                document.head.innerHTML = document.head.innerHTML + '<link type="text/css" rel="Stylesheet" href="' + config[key] + '" />'
            
            case 'popout':
                if(config[key] == 'yes') {