function movein(which,html){
if (document.getElementById)
document.getElementById("boxdescription").innerHTML=html
else
boxdescription.innerHTML=html
}

function moveout(which){
if (document.getElementById)
document.getElementById("boxdescription").innerHTML='<img src=image/shu.jpg>'
else
boxdescription.innerHTML='<img src=image/shu.jpg>'
}