addCss, addJs

gistfile1.js

$.fn.addCss = function(css){
	var style = document.createElement('link');
		style.rel = 'stylesheet';
		style.type  = "text/css";
		style.href   = css;
	document.getElementById($(this).attr('id')).appendChild(style);
};

$.fn.addJs = function(js){
	var script   = document.createElement("script");
		script.type  = "text/javascript";
		script.src   = js;
	document.getElementById($(this).attr('id')).appendChild(script);
};