

<script>
function chang(sid){
var alllength=sid.length-5;
if(alllength==1)
{
for (var i=0;i<9;i++)
{
jk='ceshi'+i
var tk=document.getElementById(jk);
if(tk!=null)
{
if(jk!=sid)
{
w=eval(jk);
w.style.display="none";
}
}
}
}
else
{
for (var i=0;i<9;i++)
{
for (var j=0;j<9;j++)
{
jk='ceshi'+i+j
var tk=document.getElementById(jk);
if(tk!=null)
{
if(jk!=sid)
{
w=eval(jk)
w.style.display="none";
}
}
}
}
var t=(sid.substring(0,6));
var wt=eval(t)
wt.style.display=""
}
if(document.getElementById(sid)!=null)
{
w=eval(sid)
if(w.style.display=="none")
w.style.display=""
else
w.style.display="none"
}
}
</script>