if (document.images) 
{
        sn_home_lo=new Image ();
		sn_home_lo.src="../images/navigation/n_home_a.gif";
		sn_home_hi=new Image ();												
		sn_home_hi.src="../images/navigation/n_home_b.gif";
		
		sn_tueren_lo=new Image ();
		sn_tueren_lo.src="../images/navigation/n_tueren_a.gif";
		sn_tueren_hi=new Image ();												
		sn_tueren_hi.src="../images/navigation/n_tueren_b.gif";
		
		sn_haustueren_lo=new Image ();
		sn_haustueren_lo.src="../images/navigation/n_haustueren_a.gif";
		sn_haustueren_hi=new Image ();												
		sn_haustueren_hi.src="../images/navigation/n_haustueren_b.gif";
		
		sn_kuechen_lo=new Image ();
		sn_kuechen_lo.src="../images/navigation/n_kuechen_a.gif";
		sn_kuechen_hi=new Image ();												
		sn_kuechen_hi.src="../images/navigation/n_kuechen_b.gif";
		
		sn_moebel_lo=new Image ();
		sn_moebel_lo.src="../images/navigation/n_moebel_a.gif";
		sn_moebel_hi=new Image ();												
		sn_moebel_hi.src="../images/navigation/n_moebel_b.gif";
		
		sn_treppen_lo=new Image ();
		sn_treppen_lo.src="../images/navigation/n_treppen_a.gif";
		sn_treppen_hi=new Image ();												
		sn_treppen_hi.src="../images/navigation/n_treppen_b.gif";
		
		sn_fenster_lo=new Image ();
		sn_fenster_lo.src="../images/navigation/n_fenster_a.gif";
		sn_fenster_hi=new Image ();												
		sn_fenster_hi.src="../images/navigation/n_fenster_b.gif";
		
		sn_insektenschutz_lo=new Image ();
		sn_insektenschutz_lo.src="../images/navigation/n_insektenschutz_a.gif";
		sn_insektenschutz_hi=new Image ();												
		sn_insektenschutz_hi.src="../images/navigation/n_insektenschutz_b.gif";
		
		sn_service_lo=new Image ();
		sn_service_lo.src="../images/navigation/n_service_a.gif";
		sn_service_hi=new Image ();												
		sn_service_hi.src="../images/navigation/n_service_b.gif";
		
		back_lo=new Image ();
		back_lo.src="../images/navigation/n_zurueck_a.gif";
		back_hi=new Image ();
		back_hi.src="../images/navigation/n_zurueck_b.gif";
		
}        

function navMouseOver(imgnew,imgid) 
  {
    if (document.images) 
      { document.images[imgid].src=eval(imgnew + ".src"); }
  }