elbart/loader.js

## loader.js
var loadScriptAsync = function(url) {
    var body = document.body;
    var div = document.createElement('div');
    div.style.display = 'none';
    body.insertBefore(div, body.firstChild);

    var iframe = document.createElement('iframe');
    iframe.frameborder = 0;

    // seems like the meebo guys use this "m" tag for some magic I don't guess right now
    // so I won't use it until I see a use case for that
    // var m = div.appendChild(document.createElement('m'));

    // use the obvious method instead
    div.appendChild(iframe);

    // iframe.contentWindow is accessible since we appended the iframe to the DOM
    var doc = iframe.contentWindow.document;

    // let's write some crazy script stuff ;)
    doc.open().writeln(
        '<script type="text/javascript">' +
            'function appendScriptTag () {' +
                'var script = document.createElement("script");' +
                'script.type="text/javascript";' +
                'script.src="' + url + '";' +
                'document.getElementsByTagName("head")[0].appendChild(script);' +
            '}' +
        '</script>' +
        '<body onload="appendScriptTag()">');
    doc.close();
}
	var loadScriptAsync = function(url) {
	var body = document.body;
	var div = document.createElement('div');
	div.style.display = 'none';
	body.insertBefore(div, body.firstChild);

	var iframe = document.createElement('iframe');
	iframe.frameborder = 0;

	// seems like the meebo guys use this "m" tag for some magic I don't guess right now
	// so I won't use it until I see a use case for that
	// var m = div.appendChild(document.createElement('m'));

	// use the obvious method instead
	div.appendChild(iframe);

	// iframe.contentWindow is accessible since we appended the iframe to the DOM
	var doc = iframe.contentWindow.document;

	// let's write some crazy script stuff ;)
	doc.open().writeln(
	'<script type="text/javascript">' +
	'function appendScriptTag () {' +
	'var script = document.createElement("script");' +
	'script.type="text/javascript";' +
	'script.src="' + url + '";' +
	'document.getElementsByTagName("head")[0].appendChild(script);' +
	'}' +
	'</script>' +
	'<body onload="appendScriptTag()">');
	doc.close();
	}