自定义时分秒时间选择器实现及应用

使用方法：
1.<script    src="/project/pages/studentManage/js/setTime.js"   type="text/javascript"></script>
2.<input name="xzXskqflxx.lxkqsj1" type="text"   id="xzXskqflxx.lxkqsj1"   onclick="_SetTime(this)"/>


var str = "";
document.writeln("<div id=\"_contents\" style=\"padding:6px; background-color:#E3E3E3; font-size: 12px; border: 1px solid #777777;  position:absolute; left:?px; top:?px; width:?px; height:?px; z-index:1; visibility:hidden\">");
str += "\u65f6<select name=\"_hour\">";
for (h = 0; h <= 9; h++) {
    str += "<option value=\"0" + h + "\">0" + h + "</option>";
}
for (h = 10; h <= 23; h++) {
    str += "<option value=\"" + h + "\">" + h + "</option>";
}
str += "</select> \u5206<select name=\"_minute\">";
for (m = 0; m <= 9; m++) {
    str += "<option value=\"0" + m + "\">0" + m + "</option>";
}
for (m = 10; m <= 59; m++) {
    str += "<option value=\"" + m + "\">" + m + "</option>";
}
str += "</select> \u79d2<select name=\"_second\">";
for (s = 0; s <= 9; s++) {
    str += "<option value=\"0" + s + "\">0" + s + "</option>";
}
for (s = 10; s <= 59; s++) {
    str += "<option value=\"" + s + "\">" + s + "</option>";
}
str += "</select> <input name=\"queding\" type=\"button\" onclick=\"_select()\" value=\"\u786e\u5b9a\" style=\"font-size:12px\" /></div>";
document.writeln(str);