var preview = null;

function getBrowser() {
         return navigator.appName;
}

function showPreview(name, pos) {
        if (document.getElementById) {
                preview = document.getElementById(name);
                if (preview) {
                                preview.style.top = -50;
                                if (name=="subm_sight")
                                {
                                   preview.style.top = -63;
                                }
                                preview.style.bottom = null;
                                preview.style.right = null;;
                                preview.style.left = pos;
                                preview.style.visibility = 'visible';
                }
                else
                {
//                                msgWindow=window.open("pcomm.php")
                }
        }
}

function hidePreview(name) {
        if (preview) {
                preview.style.visibility = 'hidden';
        }
}