var top;
var sub;

function init(T, S, anz)
{
top=T;
sub=S;

var pfad = ((T==0) ? "" : "../") + "images/but";

bTop=new Array(5);
bTopx=new Array(5);

for (var i=1; i<=5; i++)
	{
	bTop[i]=new Image();
	bTop[i].src= pfad + i +"00.gif";
	bTopx[i]=new Image();
	bTopx[i].src= pfad + i +"00x.gif";
	}

bSub=new Array(anz);
bSubx=new Array(anz);

for (var i=1; i<=anz; i++)
	{
	bSub[i]=new Image();
	bSub[i].src= pfad + T + ((i<10) ? "0" : "") + i +".gif";
	bSubx[i]=new Image();
	bSubx[i].src= pfad + T + ((i<10) ? "0" : "") + i +"x.gif";
	}
}


function mark()
{
Top_on(top);
if (sub>0) Sub_on(sub);
}

function Top_off(num)
{
if (top!=num)
 {
 loc="T" + num;
 document.images[loc].src=bTop[num].src;
 }
}

function Top_on(num)
{
 loc="T" + num;
 document.images[loc].src=bTopx[num].src;
}

function Sub_off(num)
{
if (sub!=num)
 {
 loc="S" + num;
 document.images[loc].src=bSub[num].src;
 }
}

function Sub_on(num)
{
 loc="S" + num;
 document.images[loc].src=bSubx[num].src;
}