Untitled

<!-- Dynamically loading an external JavaScript document. -->
<html>
<head>
    <script type="text/javascript">
        function loadScript(src) {
            var headObj = document.getElementsByTagName("head")[0];
            var newScriptObj = document.createElement('script');
            newScriptObj.type = 'text/javascript';
            newScriptObj.src = src;
            headObj.appendChild(newScriptObjt);
        }
    </script>
</head>
<body>
    <h1>Dynamic Script Loading Example</h1>
    <button onclick="loadScript('/javascripts/test.js);">Click me to load an external script file!</button>
</body>
</html>