//*************** 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++++++++++++++++++++++++++++++++ 
     
    
	 homeLow = new Image(); homeLow.src="img/navi/nav_home_lo.gif";
     homeHi = new Image(); homeHi.src="img/navi/nav_home_hi.gif";
	 
	 newsLow = new Image(); newsLow.src="img/navi/navi_news_lo.gif";
	 newsHi = new Image(); newsHi.src="img/navi/navi_news_hi.gif";	
	 
     kontaktLow = new Image(); kontaktLow.src="img/navi/nav_kontakt_lo.gif";
     kontaktHi = new Image(); kontaktHi.src="img/navi/nav_kontakt_hi.gif";		 
     
	 impressumLow = new Image(); impressumLow.src="img/navi/nav_impressum_lo.gif";
     impressumHi = new Image(); impressumHi.src="img/navi/nav_impressum_hi.gif";	
	 
	 
	 
	 
     klassische_medienLow = new Image(); klassische_medienLow.src="img/navi/nav_klassische_medien_lo.gif";
     klassische_medienHi = new Image(); klassische_medienHi.src="img/navi/nav_klassische_medien_hi.gif";
	 
	 neue_medienLow = new Image(); neue_medienLow.src="img/navi/nav_neue_medien_lo.gif";
     neue_medienHi = new Image(); neue_medienHi.src="img/navi/nav_neue_medien_hi.gif";
	 
     drei_dLow = new Image(); drei_dLow.src="img/navi/nav_3d_lo.gif";
     drei_dHi = new Image(); drei_dHi.src="img/navi/nav_3d_hi.gif";
	 
 	 aussenwerbungLow = new Image(); aussenwerbungLow.src="img/navi/nav_aussenwerbung_lo.gif";
     aussenwerbungHi = new Image(); aussenwerbungHi.src="img/navi/nav_aussenwerbung_hi.gif";
	 
	 referenzenLow = new Image(); referenzenLow.src="img/navi/nav_referenzen_lo.gif";
     referenzenHi = new Image(); referenzenHi.src="img/navi/nav_referenzen_hi.gif";