// Show image
function show_image(url)
{
var content = '<a href="javascript:JSPcloseWindow(\'photo_block\')" id="photo_block_content" title="Закрыть"></a>';
JSPopenWindow("photo_block", content, 400, 50);

document.getElementById("photo_block").style.display = "none";

simpleRequest("show_photo.php", {url:url});
}