new (function () {
var arr = $(".mainList a");
var pathname = (location.pathname + location.search).replace(/^\//, "");
for (var i = 0; i < arr.length; i++) {
var href = arr.eq(i).attr("href").replace(/^\//, "");
if (href == pathname) {
arr.eq(i).parent("li").attr("class", "selected");
return;
}
}
})()