javascript版的日期输入控件

      </tr>
      <tr>
        <td width="14%" align="center" id="day" onclick="add_day(year.innerText,month.innerText,this.innerText)">　</td>
        <td width="14%" align="center" id="day" onclick="add_day(year.innerText,month.innerText,this.innerText)">　</td>
        <td width="14%" align="center" id="day" onclick="add_day(year.innerText,month.innerText,this.innerText)">　</td>
        <td width="14%" align="center" id="day" onclick="add_day(year.innerText,month.innerText,this.innerText)">　</td>
        <td width="14%" align="center" id="day" onclick="add_day(year.innerText,month.innerText,this.innerText)">　</td>
        <td width="15%" align="center" id="day" onclick="add_day(year.innerText,month.innerText,this.innerText)">　</td>
        <td width="15%" align="center" id="day" onclick="add_day(year.innerText,month.innerText,this.innerText)">　</td>
      </tr>
      <tr>
        <td width="14%" align="center" id="day" onclick="add_day(year.innerText,month.innerText,this.innerText)">　</td>
        <td width="14%" align="center" id="day" onclick="add_day(year.innerText,month.innerText,this.innerText)">　</td>
        <td width="14%" align="center" id="day" onclick="add_day(year.innerText,month.innerText,this.innerText)">　</td>
        <td width="14%" align="center" id="day" onclick="add_day(year.innerText,month.innerText,this.innerText)">　</td>
        <td width="14%" align="center" id="day" onclick="add_day(year.innerText,month.innerText,this.innerText)">　</td>
        <td width="15%" align="center" id="day" onclick="add_day(year.innerText,month.innerText,this.innerText)">　</td>
        <td width="15%" align="center" id="day" onclick="add_day(year.innerText,month.innerText,this.innerText)">　</td>
      </tr>
      <tr>
        <td width="14%" align="center" id="day" onclick="add_day(year.innerText,month.innerText,this.innerText)">　</td>
        <td width="14%" align="center" id="day" onclick="add_day(year.innerText,month.innerText,this.innerText)">　</td>
        <td width="14%" align="center" id="day" onclick="add_day(year.innerText,month.innerText,this.innerText)">　</td>
        <td width="14%" align="center" id="day" onclick="add_day(year.innerText,month.innerText,this.innerText)">　</td>
        <td width="14%" align="center" id="day" onclick="add_day(year.innerText,month.innerText,this.innerText)">　</td>
        <td width="15%" align="center" id="day" onclick="add_day(year.innerText,month.innerText,this.innerText)">　</td>