if (document.images)
   {
     pic1on= new Image(83,45);
     pic1on.src="./images/navi_top0_aktiv.gif";  
     pic2on= new Image(83,20);
     pic2on.src="./images/navi_bot0_aktiv.gif";

     pic1off= new Image(83,45);
     pic1off.src="./images/navi_top0_inaktiv.gif";
     pic2off= new Image(83,20);
     pic2off.src="./images/navi_bot0_inaktiv.gif";
	 
	 
	 pic3on= new Image(83,45);
     pic3on.src="./images/navi_top1_aktiv.gif";  
     pic4on= new Image(83,20);
     pic4on.src="./images/navi_bot1_aktiv.gif";

     pic3off= new Image(83,45);
     pic3off.src="./images/navi_top1_inaktiv.gif";
     pic4off= new Image(83,20);
     pic4off.src="./images/navi_bot1_inaktiv.gif";
	 
	 
	 pic5on= new Image(83,45);
     pic5on.src="./images/navi_top2_aktiv.gif";  
     pic6on= new Image(83,20);
     pic6on.src="./images/navi_bot2_aktiv.gif";

     pic5off= new Image(83,45);
     pic5off.src="./images/navi_top2_inaktiv.gif";
     pic6off= new Image(83,20);
     pic6off.src="./images/navi_bot2_inaktiv.gif";
	 
	 
	 pic7on= new Image(83,45);
     pic7on.src="./images/navi_top3_aktiv.gif";  
     pic8on= new Image(83,20);
     pic8on.src="./images/navi_bot3_aktiv.gif";

     pic7off= new Image(83,45);
     pic7off.src="./images/navi_top3_inaktiv.gif";
     pic8off= new Image(83,20);
     pic8off.src="./images/navi_bot3_inaktiv.gif";
	
	 
	 pic9on= new Image(83,45);
     pic9on.src="./images/navi_top4_aktiv.gif";  
     pic10on= new Image(83,20);
     pic10on.src="./images/navi_bot4_aktiv.gif";

     pic9off= new Image(83,45);
     pic9off.src="./images/navi_top4_inaktiv.gif";
     pic10off= new Image(83,20);
     pic10off.src="./images/navi_bot4_inaktiv.gif";
   }

function lightup(imgName,imgName2)
 {
   if (document.images)
    {
      imgOn=eval(imgName + "on.src");
      document[imgName].src= imgOn;
      imgOn2=eval(imgName2 + "on.src");
      document[imgName2].src= imgOn2;
    }
 }

function turnoff(imgName,imgName2)
 {
   if (document.images)
    {
      imgOff=eval(imgName + "off.src");
      document[imgName].src= imgOff;
      imgOff2=eval(imgName2 + "off.src");
      document[imgName2].src= imgOff2;
    }
 }