function dyngalerie_popup(id)
{
	var titel = "";
	var html = document.getElementById("dyngalerie_bild_" + id).innerHTML;
	html = "<a id=\"a_schliessen\" href=\"javascript:dyngalerie_popup_schliessen()\"></a><div>" + html + "</div>";
	
	html += "<br /><div class='titel'>" + dyngalerie_bilder[id]["titel"] + "</div>";

	// Div entfernen falls schon vorhanden
	dyngalerie_popup_schliessen();

	// Div dynamisch erzeugen
	popup = document.createElement("div");
	popup.id = "dyngalerie_popup";

	popup_width = 940;
	popup_height = 560;

	var scrolltop = window.pageYOffset;
	if (scrolltop == null) scrolltop = document.documentElement.scrollTop;
	if (scrolltop == null) scrolltop = document.body.scrollTop;
	if (scrolltop == null) scrolltop = 0;
	popup.style.left = (get_window_width() / 2) - (popup_width / 2) - 25 + "px";
	popup.style.top = (get_window_height() / 2) - (popup_height / 2) + scrolltop - 25 + "px";

	popup.innerHTML = html;
	document.getElementsByTagName("body")[0].appendChild(popup);
}	
			
function dyngalerie_popup_schliessen()
{
	// Div entfernen
	if (document.getElementById("dyngalerie_popup") != null)
	{
		document.getElementById("body").removeChild(popup);
    	popup = null;
	}
}

function dyngalerie_speichern(id, bild)
{
	new Ajax.Request(root_verzeichnis + 'dyngalerie.php',
	{
        method: 'post',
        parameters:
		{
			funktion: "speichern",
			bild: bild,
			titel: $("dyngalerie_titel_" + id).value
		},
        onSuccess: function(transport)
    	{
    		var html = transport.responseText;
			if (html == "")
			{
				dyngalerie_bilder[id]["titel"] = $("dyngalerie_titel_" + id).value;
				alert("Änderungen wurden gespeichert.");
			}
			else
				alert(html);
    	}
    });	
}