//create onDomReady Event
window.onDomReady = initReady;

// Initialize event depending on browser
function initReady(fn)
{
    if(document.addEventListener) {//DOM BROWSER
        document.addEventListener("DOMContentLoaded", fn, false);
    }else {//IE
        document.onreadystatechange = function(){readyState(fn)}
    }
}

//IE execute function
function readyState(func){
    // DOM is ready
    if(document.readyState == "interactive" || document.readyState == "complete"){
        func();
    }
}