gistfile1.txt

function loadJS(src, retryP, delay) {
    try {
        var scriptTag = document.createElement('script');
        scriptTag.type = 'text/javascript';
        scriptTag.src = src;
	
        var fail = function (event) {
            console.error("Unable to load the script: '" + src + "'");
            if (retryP) {
                window.setTimeout(function () {
                    loadJS(src, retryP, delay);
                }, (typeof delay == 'number') ? delay : 1);
            }
        }
        scriptTag.addEventListener('error', fail, false);

        var headTag = document.getElementsByTagName('head')[0];
        headTag.appendChild(scriptTag);
    } catch (e) {
        console.error("An error occurred while trying to lunch the loading of the script: ", src);
    }
}