//設置選中的行樣式。
function SetSelectTrClass(seltr, selclass, unselclass) {
var thetable = seltr.parentElement;
//i從1開始是因為列名的樣式不變
for (var i = 1; i < thetable.rows.length; i++) {
var tr = thetable.rows[i];
tr.className = unselclass;
}
seltr.className = selclass;
}