function mouse(td){
var tr = td.parentElement.cells;
for(var ii=0; ii<tr.length-1; ii++){
tr[ii].className = (td.cellIndex==ii)?"mousein":"mouseout";
}
}function wmfw_bsdt_mouse(td,objtab){
var tr = td.parentElement.cells;
var ob = document.getElementById(objtab).rows;
for(var ii=0; ii<tr.length-1; ii++){
tr[ii].className = (td.cellIndex==ii)?"mousein_wmfw_bsdt":"mouseout_wmfw_bsdt";
ob[ii].style.display = (td.cellIndex==ii)?"block":"none";
}
}function menu_mouse(td,objtab){
var tr = td.parentElement.cells;
var ob = document.getElementById(objtab).rows;
for(var ii=0; ii<tr.length-1; ii++){
tr[ii].className = (td.cellIndex==ii)?"mousein_menu":"mouseout_menu";
ob[ii].style.display = (td.cellIndex==ii)?"block":"none";
}
}
//holiday节日红色(导航):
function holiday_menu_mouse(td,objtab){
var tr = td.parentElement.cells;
var ob = document.getElementById(objtab).rows;
for(var ii=0; ii<tr.length-1; ii++){
tr[ii].className = (td.cellIndex==ii)?"mousein_holiday_menu":"mouseout_holiday_menu";
ob[ii].style.display = (td.cellIndex==ii)?"block":"none";
}
}
//blue蓝色(导航):
function blue_menu_mouse(td,objtab){
var tr = td.parentElement.cells;
var ob = document.getElementById(objtab).rows;
for(var ii=0; ii<tr.length-1; ii++){
tr[ii].className = (td.cellIndex==ii)?"mousein_blue_menu":"mouseout_blue_menu";
ob[ii].style.display = (td.cellIndex==ii)?"block":"none";
}
}
//gray灰色(导航):
function gray_menu_mouse(td,objtab){
var tr = td.parentElement.cells;
var ob = document.getElementById(objtab).rows;
for(var ii=0; ii<tr.length-1; ii++){
tr[ii].className = (td.cellIndex==ii)?"mousein_gray_menu":"mouseout_gray_menu";
ob[ii].style.display = (td.cellIndex==ii)?"block":"none";
}
}function index_menu_mouse(td,objtab){
var tr = td.parentElement.cells;
var ob = document.getElementById(objtab).rows;
for(var ii=0; ii<tr.length-1; ii++){
tr[ii].className = (td.cellIndex==ii)?"mousein_index_menu":"mouseout_index_menu";
ob[ii].style.display = (td.cellIndex==ii)?"block":"none";
}
}function index_news_mouse(td,objtab){
var tr = td.parentElement.cells;
var ob = document.getElementById(objtab).rows;
for(var ii=0; ii<tr.length-1; ii++){
tr[ii].className = (td.cellIndex==ii)?"mousein_index_news":"mouseout_index_news";
ob[ii].style.display = (td.cellIndex==ii)?"block":"none";
}
}
//holiday节日红色(泾县要闻):
function holiday_news_mouse(td,objtab){
var tr = td.parentElement.cells;
var ob = document.getElementById(objtab).rows;
for(var ii=0; ii<tr.length-1; ii++){
tr[ii].className = (td.cellIndex==ii)?"mousein_holiday_news":"mouseout_holiday_news";
ob[ii].style.display = (td.cellIndex==ii)?"block":"none";
}
}
//blue蓝色(泾县要闻):
function blue_news_mouse(td,objtab){
var tr = td.parentElement.cells;
var ob = document.getElementById(objtab).rows;
for(var ii=0; ii<tr.length-1; ii++){
tr[ii].className = (td.cellIndex==ii)?"mousein_blue_news":"mouseout_blue_news";
ob[ii].style.display = (td.cellIndex==ii)?"block":"none";
}
}
//gray灰色(泾县要闻):
function gray_news_mouse(td,objtab){
var tr = td.parentElement.cells;
var ob = document.getElementById(objtab).rows;
for(var ii=0; ii<tr.length-1; ii++){
tr[ii].className = (td.cellIndex==ii)?"mousein_gray_news":"mouseout_gray_news";
ob[ii].style.display = (td.cellIndex==ii)?"block":"none";
}
}function index_bsdt_mouse(td,objtab){
var tr = td.parentElement.cells;
var ob = document.getElementById(objtab).rows;
for(var ii=0; ii<tr.length-1; ii++){
tr[ii].className = (td.cellIndex==ii)?"mousein_index_bsdt":"mouseout_index_bsdt";
ob[ii].style.display = (td.cellIndex==ii)?"block":"none";
}
}
//holiday节日红色(办事大厅):
function holiday_bsdt_mouse(td,objtab){
var tr = td.parentElement.cells;
var ob = document.getElementById(objtab).rows;
for(var ii=0; ii<tr.length-1; ii++){
tr[ii].className = (td.cellIndex==ii)?"mousein_holiday_bsdt":"mouseout_holiday_bsdt";
ob[ii].style.display = (td.cellIndex==ii)?"block":"none";
}
}
//blue蓝色(办事大厅):
function blue_bsdt_mouse(td,objtab){
var tr = td.parentElement.cells;
var ob = document.getElementById(objtab).rows;
for(var ii=0; ii<tr.length-1; ii++){
tr[ii].className = (td.cellIndex==ii)?"mousein_blue_bsdt":"mouseout_blue_bsdt";
ob[ii].style.display = (td.cellIndex==ii)?"block":"none";
}
}
//gray灰色(办事大厅):
function gray_bsdt_mouse(td,objtab){
var tr = td.parentElement.cells;
var ob = document.getElementById(objtab).rows;
for(var ii=0; ii<tr.length-1; ii++){
tr[ii].className = (td.cellIndex==ii)?"mousein_gray_bsdt":"mouseout_gray_bsdt";
ob[ii].style.display = (td.cellIndex==ii)?"block":"none";
}
}
function index_link_mouse(td,objtab){
var tr = td.parentElement.cells;
var ob = document.getElementById(objtab).rows;
for(var ii=0; ii<tr.length-1; ii++){
tr[ii].className = (td.cellIndex==ii)?"mousein_index_link":"mouseout_index_link";
ob[ii].style.display = (td.cellIndex==ii)?"block":"none";
}
}
//holiday节日红色(站群导航):
function holiday_link_mouse(td,objtab){
var tr = td.parentElement.cells;
var ob = document.getElementById(objtab).rows;
for(var ii=0; ii<tr.length-1; ii++){
tr[ii].className = (td.cellIndex==ii)?"mousein_holiday_link":"mouseout_holiday_link";
ob[ii].style.display = (td.cellIndex==ii)?"block":"none";
}
}
//blue蓝色(站群导航):
function blue_link_mouse(td,objtab){
var tr = td.parentElement.cells;
var ob = document.getElementById(objtab).rows;
for(var ii=0; ii<tr.length-1; ii++){
tr[ii].className = (td.cellIndex==ii)?"mousein_blue_link":"mouseout_blue_link";
ob[ii].style.display = (td.cellIndex==ii)?"block":"none";
}
}
//gray灰色(站群导航):
function gray_link_mouse(td,objtab){
var tr = td.parentElement.cells;
var ob = document.getElementById(objtab).rows;
for(var ii=0; ii<tr.length-1; ii++){
tr[ii].className = (td.cellIndex==ii)?"mousein_gray_link":"mouseout_gray_link";
ob[ii].style.display = (td.cellIndex==ii)?"block":"none";
}
}function index_tzjx_mouse(td,objtab){
var tr = td.parentElement.cells;
var ob = document.getElementById(objtab).rows;
for(var ii=0; ii<tr.length-1; ii++){
tr[ii].className = (td.cellIndex==ii)?"mousein_index_tzjx":"mouseout_index_tzjx";
ob[ii].style.display = (td.cellIndex==ii)?"block":"none";
}
}

解决方案 »

  1.   

    <DIV style="WIDTH: 988px; HEIGHT: 8px; CLEAR: both; OVERFLOW: hidden"></DIV>
    <DIV 
    style="BACKGROUND-IMAGE: url(images/link_wenzi.gif); WIDTH: 988px; BACKGROUND-REPEAT: no-repeat; BACKGROUND-POSITION: left top; HEIGHT: 28px">
    <TABLE border=0 cellSpacing=0 cellPadding=0 width=986 height=28>
      <TBODY>
      <TR>
        <TD class=mouseout_index_link 
        onmouseover="index_link_mouse(this,'linktab_index_link')" width=154 
        align=middle><IMG border=0 align=absMiddle 
          src="images/link_biao.gif" width=3 height=5> <A 
          href="javascript:;">站群导航</A></TD>
        <TD class=mousein_index_link 
        onmouseover="index_link_mouse(this,'linktab_index_link')" width=154 
        align=middle><IMG border=0 align=absMiddle 
          src="images/link_biao.gif" width=3 height=5> <A 
          href="javascript:;">部门网站</A></TD>
        <TD class=mouseout_index_link 
        onmouseover="index_link_mouse(this,'linktab_index_link')" width=154 
        align=middle><IMG border=0 align=absMiddle 
          src="images/link_biao.gif" width=3 height=5> <A 
          href="javascript:;">乡镇网站</A></TD>
        <TD class=mouseout_index_link 
        onmouseover="index_link_mouse(this,'linktab_index_link')" width=154 
        align=middle><IMG border=0 align=absMiddle 
          src="images/link_biao.gif" width=3 height=5> <A 
          href="javascript:;">企业网站</A></TD>
        <TD class=mouseout_index_link 
        onmouseover="index_link_mouse(this,'linktab_index_link')" width=154 
        align=middle><IMG border=0 align=absMiddle 
          src="images/link_biao.gif" width=3 height=5> <A 
          href="javascript:;">党群机构</A></TD>
        <TD width=216 align=middle>&nbsp;</TD></TR></TBODY></TABLE></DIV>
      

  2.   

    td.parentElement.cells;
    ==》
    td.parentNode;...document.getElementById(objtab)...
    objtab="linktab_index_link"
    linktab_index_link对象在那?
      

  3.   

    parentNode是w3c标准
    parentElement只ie支持
      

  4.   

    我自己解决了,大家请看-------------------------------------:<DIV  id=lianjie><!--------- 网站底部内容开始 --------><!-- 机构职能 start -->
    <DIV style="WIDTH: 988px; HEIGHT: 8px; CLEAR: both; OVERFLOW: hidden"></DIV>
    <DIV 
    style="BACKGROUND-IMAGE: url(images/link_wenzi.gif); WIDTH: 988px; BACKGROUND-REPEAT: no-repeat; BACKGROUND-POSITION: left top; HEIGHT: 28px">
    <TABLE border=0 cellSpacing=0 cellPadding=0 width=986 height=28 id=secTable>
      <TBODY>
      <TR>
        <TD class=mouseout_index_link 
        onMouseOver="secBoard(0)" width=154 
        align=middle><IMG border=0 align=absMiddle 
          src="images/link_biao.gif" width=3 height=5> <A 
          href="javascript:;">站群导航</A></TD>
        <TD class=mousein_index_link 
        onMouseOver="secBoard(1)" width=154 
        align=middle><IMG border=0 align=absMiddle 
          src="images/link_biao.gif" width=3 height=5> <A 
          href="javascript:;">部门网站</A></TD>
        <TD class=mouseout_index_link 
       onMouseOver="secBoard(2)" width=154 
        align=middle><IMG border=0 align=absMiddle 
          src="images/link_biao.gif" width=3 height=5> <A 
          href="javascript:;">乡镇网站</A></TD>
        <TD class=mouseout_index_link 
        onMouseOver="secBoard(3)" width=154 
        align=middle><IMG border=0 align=absMiddle 
          src="images/link_biao.gif" width=3 height=5> <A 
          href="javascript:;">企业网站</A></TD>
        <TD class=mouseout_index_link 
        onMouseOver="secBoard(4)" width=154 
        align=middle><IMG border=0 align=absMiddle 
          src="images/link_biao.gif" width=3 height=5> <A 
          href="javascript:;">党群机构</A></TD>
        <TD width=216 align=middle>&nbsp;</TD></TR></TBODY></TABLE></DIV>
    <DIV 
    style="BORDER-BOTTOM: #abdf93 1px solid; BORDER-LEFT: #abdf93 1px solid; BACKGROUND-COLOR: #ffffff; WIDTH: 986px; HEIGHT: 124px; BORDER-TOP: medium none; BORDER-RIGHT: #abdf93 1px solid"  id="link_link"><!-- 内容区域 start -->
    <DIV style="WIDTH: 98%; HEIGHT: 10px; CLEAR: both; OVERFLOW: hidden"></DIV>
    <TABLE id=linktab_index_link border=0 cellSpacing=0 cellPadding=0 width="98%" align=center>
       <TBODY style="dispaly: block; " >
                
                        <TR >
                        
                          <TD height=26 ><IMG border=0  align=absMiddle 
                            src="images/jrszs_news_biao.gif" width=5 height=9><A 
                            style="COLOR: #333333" 
                            href="http://60.173.67.232/xxgkweb/sxpublic.aspx?unit=PF&cityname=%E3%FE%CF%D8" target=_blank> 
                           泾县政府信息公开网  </A></TD>
                       
                          <TD height=26 ><IMG border=0  align=absMiddle 
                            src="images/jrszs_news_biao.gif" width=5 height=9><A 
                            style="COLOR: #333333" 
                            href="http://www.ahjxzx.gov.cn/" target=_blank> 
                           泾县政协网 </A></TD>
                       
                          <TD height=26 ><IMG border=0  align=absMiddle 
                            src="images/jrszs_news_biao.gif" width=5 height=9><A 
                            style="COLOR: #333333" 
                            href="http://www.jxnn.cn/" target=_blank> 
                           泾县新闻网 </A></TD>
                       
                          <TD height=26 ><IMG border=0  align=absMiddle 
                            src="images/jrszs_news_biao.gif" width=5 height=9><A 
                            style="COLOR: #333333" 
                            href="http://www.xuancheng.gov.cn/welcome/" target=_blank> 
                           宣城政府网 </A></TD>
                       
                          <TD height=26 ><IMG border=0  align=absMiddle 
                            src="images/jrszs_news_biao.gif" width=5 height=9><A 
                            style="COLOR: #333333" 
                            href="http://www.ah.gov.cn/" target=_blank> 
                           安徽省人民政府网 </A></TD>
                       
                          <TD height=26 ><IMG border=0  align=absMiddle 
                            src="images/jrszs_news_biao.gif" width=5 height=9><A 
                            style="COLOR: #333333" 
                            href="http://www.gov.cn/" target=_blank> 
                           中央人民政府网 </A></TD>
                       
                          <TD height=26 ><IMG border=0  align=absMiddle 
                            src="images/jrszs_news_biao.gif" width=5 height=9><A 
                            style="COLOR: #333333" 
                            href="http://www.ahjx.gov.cn/welcome/" target=_blank> 
                           泾县政府网 </A></TD>
                        
                   </TBODY> <!----- content list end ----->
                ........还有很多<TBODY></TBODY>写不下。
                 </TABLE> <!-- 内容区域 end --></DIV>
        以下是js代码--------------------------------------------:
    //兼容性
    function secBoard(n)
    {
        for(i=0;i<document.getElementById("secTable").getElementsByTagName("td").length;i++){
              document.getElementById("secTable").getElementsByTagName("td")[i].className = "mouseout_index_link";
     }
     document.getElementById("secTable").getElementsByTagName("td")[n].className = "mousein_index_link";
           
     for(i=0;i<document.getElementById("linktab_index_link").getElementsByTagName("tbody").length;i++)
             
        document.getElementById("linktab_index_link").getElementsByTagName("tbody")[i].style.display = "none";
        
        document.getElementById("linktab_index_link").getElementsByTagName("tbody")[n].style.display = "block";
       
    }