var img_dir = "img/nav/";

	function hover(nav_stat,nav_id)
	{
		switch(nav_stat)
		{
			case 1:
			document.getElementById(nav_id).src = img_dir+nav_id+"_h"+".gif";
			break;

			case 0:
			document.getElementById(nav_id).src = img_dir+nav_id+".gif";
			break;

		}
	}
	
	var dir = "img/galerie/thumbs/";
	var whandle;
	function pop_pic(filename)
	{
	
	whandle = window.open("pop_up.php?pic_url="+dir+filename,'Ansicht','width=320,height=240,scrollbars=no,toolbar=no,location=no,status=no,resizable=no,screenX=300,screenY=300');

	}