//*************** Roll+++in/out fuer Main Navi+++++++++++++++++++++++++                  
function RollIn(ButtonObject, ButHi)
  {if(document.images)ButtonObject.src = ButHi.src;}
function RollOut(ButtonObject, ButLow)
  {if(document.images)ButtonObject.src = ButLow.src;}
//*************** pre load button images++++++++++++++++++++++++++++++++ 
     
    
	 homeLo = new Image(); homeLo.src="img/navi/home_lo.gif";
     homeHi = new Image(); homeHi.src="img/navi/home_hi.gif";
	 
	 koizuchtLo = new Image(); koizuchtLo.src="img/navi/koizucht_lo.gif";
	 koizuchtHi = new Image(); koizuchtHi.src="img/navi/koizucht_hi.gif";	
	 
	 teichbauLo = new Image(); teichbauLo.src="img/navi/teichbau_lo.gif";
     teichbauHi = new Image(); teichbauHi.src="img/navi/teichbau_hi.gif";	 
     
	 serviceLo = new Image(); serviceLo.src="img/navi/service_lo.gif";
     serviceHi = new Image(); serviceHi.src="img/navi/service_hi.gif";		
	 
	 ueber_unsLo = new Image(); ueber_unsLo.src="img/navi/ueber_uns_lo.gif";
     ueber_unsHi = new Image(); ueber_unsHi.src="img/navi/ueber_uns_hi.gif";		 
	 
	 linksLo = new Image(); linksLo.src="navi_de/links_lo.gif";
     linksHi = new Image(); linksHi.src="navi_de/links_hi.gif";