JS的兼容问题


<table width="216" border="0" align="center" cellpadding="0" cellspacing="0">
                    <tr>
                        <td>
                            <div id="makewing">
                                <table width="216" height="157" border="0" align="center" cellpadding="0" cellspacing="0"
                                    class="pdtd">
                                    <tr>
                                        <td align="center">
                                            <img height="96" alt="" src="/images/photo/3.jpg"
                                                width="76" border="0" />
                                        </td>
                                        <td rowspan="2">
                                            <p>xxxxxxxxxxxxxxxxxxxxxxxxxxx…<a href="/List.aspx"
                                                    class="red">更多 >></a></p>
                                        </td>
                                    </tr>
                                    <tr>
                                        <td align="center">
                                            <strong>xxxx</strong></td>
                                    </tr>
                                </table>
                                <table width="216" height="157" border="0" align="center" cellpadding="0" cellspacing="0"
                                    class="pdtd">
                                    <tr>
                                        <td align="center">
                                            <img height="96" alt="" src="/images/photo/1.jpg"
                                                width="76" border="0" />
                                        </td>
                                        <td rowspan="2">
                                            <p>xxxxxxxxxxxxxxxxxxxxxxxxxxx。<a href="/List.aspx"
                                                    class="red">更多 >></a></p>
                                        </td>
                                    </tr>
                                    <tr>
                                        <td align="center">
                                            <strong>xxx</strong></td>
                                    </tr>
                                </table>
                                <table width="216" height="157" border="0" align="center" cellpadding="0" cellspacing="0"
                                    class="pdtd">
                                    <tr>
                                        <td align="center">
                                            <img height="96" alt="" src="/images/photo/2.jpg"
                                                width="76" border="0" />
                                        </td>
                                        <td rowspan="2">
                                            <p>xxxxxxxxxxxxxxxxxxxxxxxxxxx…<a href="/List.aspx"
                                                    class="red">更多 >></a></p>
                                        </td>
                                    </tr>
                                    <tr>
                                        <td align="center">
                                            <strong>xxxx</strong></td>
                                    </tr>
                                </table>
                            </div>
                        </td>
                    </tr>
</table>
         <script type="text/javascript" language="javascript">
                marqueesHeight=157;
                stopscroll=false;
                with(makewing){
                  style.width=0;
                  style.height=marqueesHeight;
                  style.overflowX="visible";
                  style.overflowY="hidden";
                  noWrap=true;
                  onmouseover=new Function("stopscroll=true");
                  onmouseout=new Function("stopscroll=false");
                  }
                  preTop=0; currentTop=marqueesHeight; stoptime=0;
                  makewing.innerHTML+=makewing.innerHTML;
                function init_srolltext(){
                  makewing.scrollTop=0;
                  setInterval("scrollUp()",1);
                }init_srolltext();                function scrollUp(){
                  if(stopscroll==true) return;
                  currentTop+=1;
                  if(currentTop==marqueesHeight+1)
                  {
                   stoptime+=1;
                   currentTop-=1;
                   if(stoptime==1080) 
                   {
                   currentTop=0;
                   stoptime=0;  
                   }
                  }
                  else {
                  preTop=makewing.scrollTop;
                  makewing.scrollTop+=1;
                  if(preTop==makewing.scrollTop){
                    makewing.scrollTop=marqueesHeight;
                    makewing.scrollTop+=1;
                     
                  }
                  }                }
                init_srolltext();
           </script>以上JS为无缝间歇向上滚动。只在IE6没有问题。哪位高手看一下，哪里有问题或者写的不标准导致不兼容？