function openpic(pic, window_width, window_height)
	{
		var window_left = (screen.availWidth / 2) - (window_width / 2);
		var window_top = (screen.availHeight / 2) - (window_height /2);
		var window_dimensions = "height=" + window_height + ",width=" + window_width + ",left=" + window_left + ",top=" + window_top;
		window.open("/pic.php?pic="+pic, "photo", window_dimensions + ", scrollbars=0");
	}


	function openmap(pic, window_width, window_height)
	{
		var window_left = (screen.availWidth / 2) - (window_width / 2);
		var window_top = (screen.availHeight / 2) - (window_height /2);
		var window_dimensions = "height=" + window_height + ",width=" + window_width + ",left=" + window_left + ",top=" + window_top;
		window.open("/map.php?pic="+pic, "map", window_dimensions + ", scrollbars=0");
	}

	function openpublisher(id, window_width, window_height)
	{
		var window_left = (screen.availWidth / 2) - (window_width / 2);
		var window_top = (screen.availHeight / 2) - (window_height /2);
		var window_dimensions = "height=" + window_height + ",width=" + window_width + ",left=" + window_left + ",top=" + window_top;
		window.open("/publisher.php?id="+id, "map", window_dimensions + ", scrollbars=1");
	}

	function openznak(id, window_width, window_height)
	{
		var window_left = (screen.availWidth / 2) - (window_width / 2);
		var window_top = (screen.availHeight / 2) - (window_height /2);
		var window_dimensions = "height=" + window_height + ",width=" + window_width + ",left=" + window_left + ",top=" + window_top;
		window.open("/znachok.php?id="+id, "map", window_dimensions + ", scrollbars=1");
	}