var flag = false;
function showimg(img)
{
offset = navigator.userAgent.indexOf("MSIE") > -1 ? 84 : 108;
if (flag == true)
winImage.close();
html = ''+img.name+'
';
winImage = window.open('','_blank','toolbar=0,location=0,menuBar=0,scrollbars=0,resizable=0');
winImage.document.write(html);
flag = true;
}