jsPerform.joinJs.js - join all the external javaScript files, and execute them after the core js file is loaded.

jsPerform.joinJs.js

var script = document.createElement("script");
script.src = "all_20100426.js";
document.documentElement.firstChild.appendChild(script);

var mod = {
    buffer: [];
}

var inline_script = 'some_inline scripts';
//more inline scripts...
mod.buffer.push(inline_script);

//exec
var script = mod.buffer,
    i, max = script.length;
for (i = 0; i < max; i += 1) {
    script[i]();
}