function menu_img_mo(img, lang)
{
image = lang + "/menu/menu_" + img + "_mo.png";
el = "menu_img_" + img;
el_img = document.getElementById(el);
el_img.src = image;
}


function menu_img(img, lang)
{
image = lang + "/menu/menu_" + img + ".png";
el = "menu_img_" + img;
el_img = document.getElementById(el);
el_img.src = image;
}


function show_image(id)
{
var XMLhttp = false;

keep_top();
document.getElementById('gallery_bgr').style.top = document.body.scrollTop - 20;
document.getElementById('gallery_bgr').style.display = "block";
document.getElementById('gallery_div').style.top = document.body.scrollTop;
document.getElementById('gallery_div').style.display = "block";
document.getElementById('gallery_div').innerHTML = "<img src=\"images/loading.gif\" alt=\"Loading...\" class=\"img_loading\" onclick=\"hide_id('gallery_div'), hide_id('gallery_bgr');\">";

if(window.XMLHttpRequest)
{
XMLhttp = new XMLHttpRequest();
}
else if(window.ActiveXObject)
{
XMLhttp = new ActiveXObject("Microsoft.XMLHTTP");
}
else
{
alert("Your browser could not create XMLHttpRequest.");
}

if(XMLhttp)
{
XMLhttp.open("POST", "ajax/ajax_show_image.php", true);
XMLhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
XMLhttp.onreadystatechange = function()
{
if(XMLhttp.readyState == 4 && XMLhttp.status == 200)
{
document.getElementById('gallery_div').innerHTML = XMLhttp.responseText;
}
}
XMLhttp.send("id="+id);
}

else
{
alert("Error");
}
}



function set_top()
{
var fade_top = document.body.scrollTop - 20;
document.getElementById('gallery_bgr').style.top = fade_top;
}


function keep_top()
{
top_to = window.setInterval("set_top();", 30);
}



function hide_gal_id(el_id)
{
document.getElementById(el_id).style.display = "none";
if(top_to)
{
window.clearInterval(top_to);
}
}


function hide_id(el_id)
{
document.getElementById(el_id).style.display = "none";
}