[Dmitriy_1]

Где тут ошибка?

<script type="text/javascript">function changeBg(e){ 
var bg=[ 
"/Fon_pleera/1.png" 
],i=e.rel||0;if(i>bg.length-1){i=0;} 
document.getElementById('bg').style.backgroundImage='url('+bg[i]+')'; 
i++;e.rel=i; 
} 
function changeBg(a){ 
      var bg2=[ 
      "/Fon_pleera/2.png"], x=a.rel||0;if(x>bg.length-1){x=0} 
      document.getElementById('bg').style.backgroundImade='url('+bd2[x]+')'; 
x++;a.rel=x; 
} 
function changeBg(b){ 
      var bg3=[ 
      "/Fon_pleera/3.png" 
      ], y=b.rel||0;if(y>bg.length-1){y=0} 
      document.getElementById('bg').style.backgroundImade='url('+bg3[y]+')'; 
y++;d.rel=y; 
} 
function changeBg(c){ 
      var bg4=[ 
      "/Fon_pleera/4.png"], i=c.rel||0;if(z>bg.length-1){z=0} 
      document.getElementById('bg').style.backgroundImade='url('+bg4[z]+')'; 
z++;c.rel=z; 
} 
function changeBg(d){ 
      var bg5=[ 
      "/Fon_pleera/5.png"], o=d.rel||0;if(i>bg.length-1){o=0} 
      document.getElementById('bg').style.backgroundImade='url('+bg5[o]+')'; 
o++;e.rel=o; 
} 
</script> 
<a onclick="changeBg(e)" id="a" href="javascript://"><img src="/Fon_pleera/1.png" width="25" height="25" /></a> 
<a onclick="changeBg(a)" id="a" href="javascript://"><img src="/Fon_pleera/2.png" width="25" height="25" /></a> 
<a onclick="changeBg(b)" id="a" href="javascript://"><img src="/Fon_pleera/3.png" width="25" height="25" /></a> 
<a onclick="changeBg(c)" id="a" href="javascript://"><img src="/Fon_pleera/4.png" width="25" height="25" /></a> 
<a onclick="changeBg(d)" id="a" href="javascript://"><img src="/Fon_pleera/5.png" width="25" height="25" /></a>