<tr>     <td height="60px;" width="20%" align="right" valign="top">       <font style="font-weight: bold;">标题：</font>      </td>     <td height="60px;" width="80%" align="left" valign="top">         <a id="span_content" href="#" style="color: white;" onmousemove="showdiv('span_div','',event)" onmouseover="showdiv('span_div','',event)" onmouseout="showdiv('span_div','none',event)">     <c:if test="${fn:length(schedule.content eq null?'无':schedule.content)>70}">${fn:substring(schedule.content eq null?'无':schedule.content,0,70)}...</c:if></a>         <span id="span_content_span"><c:if test="${fn:length(schedule.content eq null?'无':schedule.content)<=70}">         ${schedule.content null?'无':schedule.content}</c:if></span>     </td>      <div id="span_div" class="showDiv" style="display:none">             ${schedule.content eq null?'无':schedule.content}     </div>    </tr> <script type="text/javascript">       function showdiv1(objstr,str,ev) {//根据鼠标位置显示对象,参数ev为event                     var ObjX,ObjY;//对象的位置(x,y)                     var mouseX=10;//对象的(x)水平位置距离鼠标的宽度                     var mouseY=-2;//对象的(y)垂直位置距离鼠标的高度                     var obj = document.getElementById(objstr);                     obj.style.display=str;//显示或隐藏对象                     obj.style.left ='200px';                     obj.style.top ='110px';                 } </script>