var iMsgBox = function(msg, dom){

    var mask = document.createElement(‘div’);

    var pop = document.createElement(‘div’);

    var message = document.createElement(‘h4’);

    dom = dom || document.body;

    message.innerHTML = msg;

    var timed = false;

    var closed = false;

    var close = function(){

      closed = true;

      if(!timed) return;

      dom.removeChild(mask);

      dom.removeChild(pop);

    }

    var timeClose = function(){

      timed = true;

      if(closed) close();

    };

    setTimeout(timeClose, 1500);

    pop.appendChild(message);

    dom.appendChild(mask);

    dom.appendChild(pop);

    mask.style.cssText = ‘position:absolute;background:#000;opacity:0.3;width:100%;*filter: Alpha(Opacity=30);top:0;left:0;z-index:10000’;

    mask.style.display = ‘block’;

    mask.style.height = dom.clientHeight + dom.scrollTop+ ‘px’;

    dom.style.overflow = ‘hidden’;

    pop.style.cssText = ‘position:absolute;width:200;padding:8px 20px;background:#fff;border:0px solid #ccc;text-align:center;z-index:10001;’;

    pop.style.display = ‘block’;

    pop.style.left = dom.offsetWidth / 2 - pop.offsetWidth / 2 + ‘px’;

    pop.style.top = dom.offsetHeight / 2 - pop.offsetHeight / 2 + ‘px’;

    return {

      close: close

    };

}