function initsel(i, filename)
{
 nbutton[i]=new Image();
 nbutton[i].src='ge/usr/img/menu/'+filename+'.n.gif';
 sbutton[i]=new Image();
 sbutton[i].src='ge/usr/img/menu/'+filename+'.s.gif';
};

function initsell(i, filename)
{
 nlogo[i]=new Image();
 nlogo[i].src='ge/usr/img/logos/'+filename+'.bw.gif';
 slogo[i]=new Image();
 slogo[i].src='ge/usr/img/logos/'+filename+'.color.gif';
};

function sel(i)
{
 document['b'+i].src=sbutton[i].src;
};

function desel(i)
{
 document['b'+i].src=nbutton[i].src;
};

function sell(i)
{
 document['l'+i].src=slogo[i].src;
};

function desell(i)
{
 document['l'+i].src=nlogo[i].src;
};

function incr(i)
{
 document['i'+i].width=document['i'+i].height=60;
};

function decr(i)
{
 document['i'+i].width=document['i'+i].height=54;
};

nbutton=new Array();
sbutton=new Array();

nlogo=new Array();
slogo=new Array();