var active="4";
var nexttoshow="";
var clicked="";


function $(id) {
		return document.getElementById(id);
}


function moverhelp(x,y){
	switch(x)
		{
		case 1:
		  butt1.seekTo(y);
		  break;    
		case 2:
		  if(active!=1){
			butt2.seekTo(y);
			}
			else{
			butt2b.seekTo(y);
			}
			break;
		case 3:
		  if(active!=2){
			butt3.seekTo(y);
			}
			else{
			butt3b.seekTo(y);
			}
		  break;
		case 4:
		  if(active!=3){
			butt4.seekTo(y);
			}
			else{
			butt4b.seekTo(y);
			}
		  break;
		default:
		  return;
	}
}
function mklikhelp(x){
	switch(x)
		{
		case 1:
		  butt1cl.seekTo(1);
		  butt2cl.seekTo(0);
		  butt3cl.seekTo(0);
		  butt4cl.seekTo(0);
		  break;    
		case 2:
		  butt1cl.seekTo(0);
		  butt2cl.seekTo(1);
		  butt3cl.seekTo(0);
		  butt4cl.seekTo(0);
		  break;
		case 3:
		  butt1cl.seekTo(0);
		  butt2cl.seekTo(0);
		  butt3cl.seekTo(1);
		  butt4cl.seekTo(0);
		  break;
		case 4:
		  butt1cl.seekTo(0);
		  butt2cl.seekTo(0);
		  butt3cl.seekTo(0);
		  butt4cl.seekTo(1);
		  break;
		default:
		  return;
	}
}

function vaihda(){
var divtohide=$(active);
divtohide.className='invisible';
var divtoshow=$(nexttoshow);
divtoshow.className='visible';
active=nexttoshow;
}


function change_content(p){
if (dopa.state=="0"){
	vaihda();
	dopa.seekTo(1);}
}

function show(x){
nexttoshow=x;
dopa.seekTo(0);
}

function mklik(z){
clicked=z;
if (z!=active){
mklikhelp(z);
show(z);
}
}

function mover(z){
if ((z!=active)&&(clicked!=z)){
moverhelp(z,1);
}
}

function mout(z){
if ((z!=active)&&(clicked!=z)){
moverhelp(z,0);
}
}

function Purku(x){
for (i=0; i<(x.length); i++){
de=(x.charCodeAt(i)-i-1);
document.write(String.fromCharCode
((de) + ((de<39)*88)));}}