function ajax(id,url)
{
	var httpRequest;
	if (window.XMLHttpRequest)
	{ // Mozilla, Safari, ...
		httpRequest = new XMLHttpRequest();
	} else
	if (window.ActiveXObject)
	{ // IE
    	httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
	}

	httpRequest.onreadystatechange = function()
	{
		if (httpRequest.readyState == 4)
		{
			if (httpRequest.status == 200)
			{
				document.getElementById(id).innerHTML=httpRequest.responseText;
//				document.getElementById('ldr').style.display='none';
			} else {
				alert('There was a problem with the request.');
			}
	    } else
		{
			// not ready
//			document.getElementById('ldr').style.display='block';
	    }
	};
	
	httpRequest.open('GET', url, true);
	httpRequest.send(null);
}

function go_photo(fid,lang)
{
	ajax('gallerybrowser','http://www.octarna.cz/helpers/gallery.php?fid='+fid+'&lang='+lang);
}