function Preload(i, bname)
{
 eval('b_'+i+'_1=new Image();');
 eval('b_'+i+'_1.src="/images/'+bname+'.gif";');
 eval('b_'+i+'_2=new Image();');
 eval('b_'+i+'_2.src="/images/'+bname+'_s.gif";');
}

function si1(i){
 document.images['b_'+i].src = eval('b_'+i+"_2.src")
}

function si2(i){
 document.images['b_'+i].src = eval('b_'+i+"_1.src")
}

function playsound() {
  document.all.sound.src = "/sounds/click.wav"}

 Preload(1,'b_club_en');
 Preload(5,'b_links_en');
 Preload(6,'b_contact_en');
 Preload(7,'b_guestbook_en');
 Preload(8,'b_forum_en');
 Preload(10,'b_photo_en');
 Preload(11,'b_sosedi_en');
 Preload(13,'b_history_en');
 Preload(18,'b_manual_en');