popup.html

<script>
var req = new XMLHttpRequest();

var nextGameID = localStorage["next_game_id"];

if(!nextGameID || nextGameID <= 0) {
	return;
}

var url = "http://www.yucata.de/en/Game/" + nextGameID;
//alert(url);

req.open(
    "POST",
    url,
    true);
req.onload = showPhotos;
req.send(null);

function showPhotos() {
	var content = req.responseText;	
	var doc = document.open("text/html","replace");
	doc.write(content);
	doc.close();

	
	//var iframe = document.createElement("iframe");
    //document.body.appendChild(iframe);

	//var doc = iframe.document;
    //if(iframe.contentDocument)
    //    doc = iframe.contentDocument; // For NS6
    //else if(iframe.contentWindow)
    //    doc = iframe.contentWindow.document; // For IE5.5 and IE6
    // Put the content in the iframe
    //doc.open();
    //doc.writeln(content);
    //doc.close();
}

</script>