function Ready(fn) {
    //W3C
    if (document.addEventListener) {
        document.addEventListener("DOMContentLoaded", fn, false);
    }
    //Stupid IE
    else {
        document.onreadystatechange = function(){ readyState(fn); }
    }
}

function readyState(fn) {
    if (document.readyState == 'interactive') {
        fn();
    }
}

window.onReady = Ready;