function showImage(url,width,height) {
    var w = window.open(url,'image','width=' + (width + 20) + ',height=' + (height + 20) + ',resizable,scrollbars,margin=0');
    if (w.open) {
        w.focus();
    }
}
function growImg(img) {
    if (document.getElementById) {
        var ele = document.getElementById(img);
        ele.style.display = 'block';
    }
}
function hideLayer(lyr) {
    if (document.getElementById) {
        var ele = document.getElementById(lyr);
        ele.style.display = 'none';
    }
}