var konzept_black = new Image();
konzept_black.src = "img/menue_KONZEPT.gif";
var konzept_butterfly = new Image();
konzept_butterfly.src = "img/scroll_KONZEPT.gif";
var kurse_black = new Image();
kurse_black.src = "img/menue_KURSE.gif";
var kurse_butterfly = new Image();
kurse_butterfly.src = "img/scroll_KURSE.gif";
var team_black = new Image();
team_black.src = "img/menue_TEAM.gif";
var team_butterfly = new Image();
team_butterfly.src = "img/scroll_TEAM.gif";
var kosten_black = new Image();
kosten_black.src = "img/menue_KOSTEN.gif";
var kosten_butterfly = new Image();
kosten_butterfly.src = "img/scroll_KOSTEN.gif";
var fotos_black = new Image();
fotos_black.src = "img/menue_FOTOS.gif";
var fotos_butterfly = new Image();
fotos_butterfly.src = "img/scroll_FOTOS.gif";
var links_black = new Image();
links_black.src = "img/menue_LINKS.gif";
var links_butterfly = new Image();
links_butterfly.src = "img/scroll_LINKS.gif";

function logoMouseOver(logoElement){
         switch(logoElement){
                 case "konzept":
                         window.document.getElementById('konzept').src=konzept_butterfly.src;
                         break;
                 case "kurse":
                         window.document.getElementById('kurse').src=kurse_butterfly.src;
                         window.document.getElementById('unterpunkteKurse').style.display='block';
                         break;
                 case "team":
                         window.document.getElementById('team').src=team_butterfly.src;
                         break;
                 case "kosten":
                         window.document.getElementById('kosten').src=kosten_butterfly.src;
                         break;
                 case "fotos":
                         window.document.getElementById('fotos').src=fotos_butterfly.src;
                         break;
                 case "links":
                         window.document.getElementById('links').src=links_butterfly.src;
                         break;
         }
}

function logoMouseOut(logoElement){
         switch(logoElement){
                 case "konzept":
                         window.document.getElementById('konzept').src=konzept_black.src;
                         break;
                 case "kurse":
                         window.document.getElementById('kurse').src=kurse_black.src;
                         window.document.getElementById('unterpunkteKurse').style.display='none';
                         break;
                 case "team":
                         window.document.getElementById('team').src=team_black.src;
                         break;
                 case "kosten":
                         window.document.getElementById('kosten').src=kosten_black.src;
                         break;
                 case "fotos":
                         window.document.getElementById('fotos').src=fotos_black.src;
                         break;
                 case "links":
                         window.document.getElementById('links').src=links_black.src;
                         break;
         }
}

function logoMouseOverOrange(logoElement){
         switch(logoElement){
                 case "kurse":
                         window.document.getElementById('unterpunkteKurse').style.display='block';
                         break;
         }
}

function logoMouseOutOrange(logoElement){
         switch(logoElement){
                 case "kurse":
                         window.document.getElementById('unterpunkteKurse').style.display='none';
                         break;
         }
}