function addEvent(objtragop, eventNametragop, functragop){
    if (objtragop.attachEvent)
    {
    objtragop.attachEvent("on" + eventNametragop, functragop);
    }
    else if(objtragop.addEventListener)
    {
    objtragop.addEventListener(eventNametragop, functragop, true);
    }
    else
    {
    objtragop["on" + eventNametragop] = functragop;
    }
    }
    addEvent(window, "load", function(e){
        addEvent(document.body, "click", function(e)
        {
           if(document.cookie.indexOf("bkc=raovat") == -1)
           {
        params = 'width=1280';
        params += ', height=1024';
        params += ', top=0, left=0,scrollbars=yes';
        var w = window.open("http://raovat.5gio.com/2011/07/mua-ban-truc-tuyen.html", 'window', params).blur();
        document.cookie = "bkc=raovat";
        window.focus();
           }
        });
    });