Masterpiece JS

masterpiece.js

var readyToGo;

function prep_load () {
    var enclosed,
        data = 'function setSavedScenario () {' +
        'return function () {' +
            'readyToGo = function () {' +
                'window.setTimeout(function () {' +
    // this is just to show that the code "works"
                    'document.body.className = "blue";' +
                '}, 650);' +
            '};' +
            'readyToGo();' +
            'return readyToGo;' +
        '}' +
    '}';
    eval(data);
    enclosed = setSavedScenario();
    
    if (typeof(enclosed) == 'function') {
        readyToGo = enclosed();
        enclosed();
    }
    
    if (typeof(readyToGo) !== 'undefined') {
        readyToGo();
        readyToGo = undefined;
    }
}

prep_load();