日期:2014-05-16 浏览次数:20577 次
document.getElementById("div"+i).style.display = "block";
function yc_xs(o) {
        var btn = o.value; 
////var j = o.j;
  var j = o.getAttribute('j');      //////////
        if (btn == "显示答案") {
            document.getElementById(o.id).value = "隐藏答案";
            document.getElementById("div" + j).style.display = "block";
        } else {
            document.getElementById(o.id).value = "显示答案";
            document.getElementById("div" + j).style.display = "none";
        }
 }