  <!--
    
    if (document.images) {
	    aldlogoakt = new Image();
	    aldlogoakt.src = "images/ald_small_b.gif";
	    aldlogopas = new Image();
	    aldlogopas.src = "images/ald_small_a.gif";

	    sondyakt = new Image();
	    sondyakt.src = "images/sondy_b.gif";
	    sondypas = new Image();
	    sondypas.src = "images/sondy_a.gif";
    }

    function rollin(imgName) {
	    if (document.images) {
	      document[imgName].src = eval(imgName + "akt.src");
	    }
    }

    function rollout(imgName) {
	    if (document.images) {
	      document[imgName].src = eval(imgName + "pas.src");
   	  }
    }
 
 // -->