var js = {
	version: '0.0.1'
}

js.loadedFiles = {};

/**
 * @param {String} filename
 */
js.include = function(filename) {
/*
	var head = document.getElementsByTagName('head')[0];
	
	script = document.createElement('script');
	script.src = filename;
	script.type = 'text/javascript';
	//alert('here');
	head.appendChild(script);
	js.loadedFiles[filename]=true;
	//return true;
	*/
	js.loadedFiles[filename]=true;
	document.write('<script type="text/javascript" src="'+filename+'"></script>');
}

/**
 * @param {String} filename
 */
js.include_once = function(filename) {
	
	if(js.loadedFiles[filename])return false;
	js.include(filename);
}