function tab(sid) {
var tabs = document.getelementsbytagname(h2);
var boxs = document.getelementsbytagname(h3);
if ( boxs[sid].style.display==block){
boxs[sid].style.display=none;
tabs[sid].style.backgroundcolor=#e3f4fe;
tabs[sid].style.color=#000000;
}
else{
boxs[sid].style.display=block;
tabs[sid].style.backgroundcolor=#3575cc;
tabs[sid].style.color=#ffffff;
}
for (var i=0; iif ( i != sid) {
boxs[i].style.display = none;
tabs[i].style.backgroundcolor=#e3f4fe;
tabs[i].style.color=#000000;
}
}
}
中英合作自考