Javascript classes, namespaces, code organization code_javascript skills

$(function () {
pageJs.urls = [
'/', 'Index',
];
pageJs.run();
});
//the functions include html elements. Ajax function also can be put here.
var Common = {
init: function () {
alert('Common');
}
};
//url--pages
var Index = {
init: function () {
Common.init();
this.test();
this.test2();
alert(location.pathname);
},
test: function () {
alert('test');
}
};
Index.test2 = function () {
Index.test();
alert('test2');
}
//should be remove to other js file, and load before this file.
//the functions don't include any html elements.
var Utils = {
debug: function () {
}
};
var pageJs = {
urls: [],
run: function () {
var urls = this.urls;
alert(urls.length);
if ((urls.length % 2) != 0) {
throw "urls error";
}
var len = urls.length / 2;
for (var i = 0; i <= len; i = i 2) {
var pattern = new RegExp(urls[i], 'i');
if (pattern.test(location.pathname)) {
eval(urls[i 1] ".init()");
break;
}
}
}
};