// JavaScript 教育宽频
var educhina_res_lib = {
loadCss: function (url) {
if(document.getElementsByTagName('head')[0]){
var css = document.createElement('link');
css.setAttribute('rel', 'stylesheet');
css.setAttribute('type', 'text/css');
css.setAttribute('href', url);
document.getElementsByTagName('head')[0].appendChild(css);
}else{
document.writeln("");
}
},
loadjs: function (url) {
if(document.getElementsByTagName('head')[0]){
var ajs = document.createElement('script');
ajs.setAttribute('language','javascript');
ajs.setAttribute('type','text/javascript');
ajs.setAttribute('src',url);
document.getElementsByTagName('head')[0].appendChild(ajs);
}else{
document.write('