function bfLoadScripts(strPath) {
    var r = false;
    var scriptTag = document.createElement('script');
    scriptTag.src = strPath;
    scriptTag.type = 'text/javascript';

    scriptTag.addEventListener('load',function() {
        //alert('JS loaded');
            r = true;
    });
    var headTag = document.getElementsByTagName('head')[0];
    headTag.appendChild(scriptTag);
}

scriptTag.onload = scriptTag.onreadystatechange = function() {
        if ( !r && (!this.readyState || this.readyState == 'complete') ) {
          r = true;
    };