function enlargeImage(url, width, height){
    var dialogCnt = document.getElementById("popupMediaImage");
    var dialogCntVideo = document.getElementById("popupMediaVideo");
    dialogCntVideo.style.display = 'none';

    dialogCnt.innerHTML = '<img src="' + url + '" width="' + width + '" height="' + height + '" border="0">';
    dialogCnt.style.display = 'block';
    showMediaDialog();
}

function showMediaDialog(){
        var dialogBack = document.getElementById("popupBack");

        dialogBack.style.left = 0;

        dialogBack.style.top = document.body.scrollTop;
        dialogBack.style.display = "block";
}

function closeMedia(){
        var dialogBack = document.getElementById("popupBack");

        dialogBack.style.display = "none";
}