var buttonImg = new Array();
	var buttonObj = new Array();	
	var   dropDwn = new Array();	
	var   dropDwnStyle = new Array();
	
  buttonImg[0] = new Image;
  buttonImg[0].src = "../index/links_start.jpg";
  buttonObj[0] = "start_bild";  
  
  buttonImg[1] = new Image;
  buttonImg[1].src = "../index/links_start2.jpg"; 
  buttonObj[1] = "start_bild";     
  
  buttonImg[2] = new Image;
  buttonImg[2].src = "../index/links_arbeiten.jpg";
  buttonObj[2] = "arbeiten_bild"; 
  dropDwnStyle[2] = "hidden"; 
    dropDwn[2] = "arbeiten_nodes";
  
  buttonImg[3] = new Image;
  buttonImg[3].src = "../index/links_arbeiten2.jpg"; 
  buttonObj[3] = "arbeiten_bild"; 
   dropDwnStyle[3] = "visible";    
     dropDwn[3] = "arbeiten_nodes";
     
  buttonImg[4] = new Image;
  buttonImg[4].src = "../index/links_termine.jpg";
  buttonObj[4] = "termine_bild";    
  
  buttonImg[5] = new Image;
  buttonImg[5].src = "../index/links_termine2.jpg";
  buttonObj[5] = "termine_bild";    
  
  buttonImg[6] = new Image;
  buttonImg[6].src = "../index/links_kunstambau.jpg";
  buttonObj[6] = "kunstambau_bild";    
  
  buttonImg[7] = new Image;
  buttonImg[7].src = "../index/links_kunstambau2.jpg";
  buttonObj[7] = "kunstambau_bild"; 
  
  buttonImg[8] = new Image;
  buttonImg[8].src = "../index/links_chron.jpg";
  buttonObj[8] = "chron_bild";    
  
  buttonImg[9] = new Image;
  buttonImg[9].src = "../index/links_chron2.jpg";    
  buttonObj[9] = "chron_bild"; 

  buttonImg[10] = new Image;
  buttonImg[10].src = "../index/links_kontakt.jpg";    
  buttonObj[10] = "kontakt_bild"; 
  
  buttonImg[11] = new Image;
  buttonImg[11].src = "../index/links_kontakt2.jpg";    
  buttonObj[11] = "kontakt_bild";        
	
	function mouseover(bild_id){
     
     var picked_img = document.getElementById(buttonObj[bild_id]);
     picked_img.src = buttonImg[bild_id].src;
     if(dropDwn[bild_id]) {
     	 
         document.getElementById(dropDwn[bild_id]).style.visibility = dropDwnStyle[bild_id];
     }  
     return true;
    }