if (document.images) 
{
        sn_home_lo=new Image ();
		sn_home_lo.src="images/nav/home_a.gif";
		sn_home_hi=new Image ();												
		sn_home_hi.src="images/nav/home_b.gif";
		
		sn_renovierungsloesung_lo=new Image ();
		sn_renovierungsloesung_lo.src="images/nav/renovierungsloesung_a.gif";
		sn_renovierungsloesung_hi=new Image ();												
		sn_renovierungsloesung_hi.src="images/nav/renovierungsloesung_b.gif";
		
		sn_service_lo=new Image ();
		sn_service_lo.src="images/nav/service_a.gif";
		sn_service_hi=new Image ();												
		sn_service_hi.src="images/nav/service_b.gif";
		
		sn_ausstellungsstudio_lo=new Image ();
		sn_ausstellungsstudio_lo.src="images/nav/ausstellungsstudio_a.gif";
		sn_ausstellungsstudio_hi=new Image ();												
		sn_ausstellungsstudio_hi.src="images/nav/ausstellungsstudio_b.gif";
		
		sn_wir_stellen_aus_lo=new Image ();
		sn_wir_stellen_aus_lo.src="images/nav/wir_stellen_aus_a.gif";
		sn_wir_stellen_aus_hi=new Image ();												
		sn_wir_stellen_aus_hi.src="images/nav/wir_stellen_aus_b.gif";
		
		sn_infopaket_lo=new Image ();
		sn_infopaket_lo.src="images/nav/infopaket_a.gif";
		sn_infopaket_hi=new Image ();												
		sn_infopaket_hi.src="images/nav/infopaket_b.gif";
		
		sn_renovierungscheck_lo=new Image ();
		sn_renovierungscheck_lo.src="images/nav/renovierungscheck_a.gif";
		sn_renovierungscheck_hi=new Image ();												
		sn_renovierungscheck_hi.src="images/nav/renovierungscheck_b.gif";
		
		sn_beratung_lo=new Image ();
		sn_beratung_lo.src="images/nav/beratung_a.gif";
		sn_beratung_hi=new Image ();												
		sn_beratung_hi.src="images/nav/beratung_b.gif";
		
		sn_kontakt_lo=new Image ();
		sn_kontakt_lo.src="images/nav/kontakt_a.gif";
		sn_kontakt_hi=new Image ();												
		sn_kontakt_hi.src="images/nav/kontakt_b.gif";
		
		sn_ihr_weg_zu_uns_lo=new Image ();
		sn_ihr_weg_zu_uns_lo.src="images/nav/ihr_weg_zu_uns_a.gif";
		sn_ihr_weg_zu_uns_hi=new Image ();												
		sn_ihr_weg_zu_uns_hi.src="images/nav/ihr_weg_zu_uns_b.gif";
		
		back_lo=new Image ();
		back_lo.src="images/nav/zuruck_a.gif";
		back_hi=new Image ();
		back_hi.src="images/nav/zuruck_b.gif";
		
}        

function navMouseOver(imgnew,imgid) 
  {
    if (document.images) 
      { document.images[imgid].src=eval(imgnew + ".src"); }
  }
  
  function openwin(page,WinWidth,WinHeight,SB,winname)
        {
                OpenLinkWindow(WinWidth,WinHeight,page,winname,SB);
        }
        function OpenLinkWindow(WinWidth,WinHeight,Link,WindowName,SB)
        {
                LeftPosition = (screen.width) ? (screen.width-WinWidth)/2 : 0;
                TopPosition = (screen.height) ? (screen.height-WinHeight)/4 : 0;
                popupWin = window.open(Link,WindowName,'toolbar=0,width='+WinWidth+',height='+WinHeight+',top='+TopPosition+',left='+LeftPosition+',location=0,directories=0,status=0,menubar=0,scrollbars='+SB+',resizable=1,copyhistory=0');
                popupWin.focus();
        }