function preBPS(en){
if(ok){
if(en){mf="images/hauptmenue/en/";}else{mf="images/hauptmenue/";}
m[0]=new Image;m[0].src=mf+"home_a.gif";
m[1]=new Image;m[1].src=mf+"zahlen_a.gif";
m[2]=new Image;m[2].src=mf+"referenzen_a.gif";
m[3]=new Image;m[3].src=mf+"kontakt_a.gif";
}
}