一个加载js文件的小脚本_javascript技巧

function js_include($script){
var script = document.createElement('script');
script.src = $js_path + $script;
script.type = 'text/javascript';
var head = document.getElementsByTagName('head').item(0);
head.appendChild(script);
}

//题换成你的文件
js_include("prototype.js");
js_include("scriptaculous.js");