求下面代码的兼容性代码

如题,下面这段代码只在IE下起作用,在FF 遨游等浏览器都不起作用或者有错误,求高人帮忙改进下,本人将不胜感激!在此先谢过!<script language=JavaScript1.2>
function move(x, y) {
if (document.all) {
object1.style.pixelLeft += x;
object1.style.pixelTop  += y;}
else
if (document.layers) {
document.object1.left += x;
document.object1.top  += y;
}};
function position() {
document.object1.left += -200;
document.object1.top  += 0;
document.object1.visibility = "show"
};
function makeStatic() {
if (document.all) {object1.style.pixelTop=document.body.scrollTop+100}
else {eval('document.object1.top=eval(window.pageYOffset+20)');}
setTimeout("makeStatic()",0);}
</script>
    <!-- 左隐藏菜单结束 -->
    <!-- 左隐藏菜单BIG -->
    <layer class=NS onMouseOver=move(580,0) 
onMouseOut="move(-580, 0)" visibility="hide" top="20" left="0" name="object1">
    <script language=JavaScript1.2>
if (document.all)
document.write('<div ID="object1" style="Position : Absolute ;Left : -120px ;Top : 20px ;Width : 0px ;Z-Index : 20">')
</script>
    <table onMouseOver=move(120,0) onMouseOut="move(-120, 0)" cellspacing=1 
cellpadding=0 border=0>
      <tbody>
        <tr>
          <td>
            <table cellspacing=0 cellpadding=0 width=118 align=center border=0>
              <tbody>
                <tr>
                  <td><img src="{$InstallDir}skin/kefu/top.gif"></td>
                </tr>
                <tr>
                  <td background="{$InstallDir}skin/kefu/bg.gif">
                    <table cellspacing=0 cellpadding=0 width=90% align=center border=0>
                      <tbody>
                        <tr>
                          <td align=center height=40><a 
                  href="tencent://message/?uin=59245237&amp;Site=动力炫网&amp;Menu=yes" 
                  target=blank><img alt=点击这里给我发消息 
                  src="{$InstallDir}skin/kefu/qq.gif" 
                  border=0></a></td>
                        </tr>
<tr>
                          <td align=center height=40><a 
                  href="tencent://message/?uin=41696253&amp;Site=动力炫网&amp;Menu=yes" 
                  target=blank><img alt=点击这里给我发消息 
                  src="{$InstallDir}skin/kefu/qq.gif" 
                  border=0></a></td>
                        </tr>
                      </tbody>
                  </table></td>
                </tr>
                <tr>
                  <td><img src="{$InstallDir}skin/kefu/bottom.gif"></td>
                </tr>
              </tbody>
          </table></td>
          <td valign=top align=middle rowspan=100><img src="{$InstallDir}skin/kefu/kefu.gif"> </td>
        </tr>
        <script language=JavaScript1.2>
    <!--
if (document.all||document.layers)
makeStatic();
if (document.layers) {
window.onload=position;
}
var sitems=new Array();
var sitemlinks=new Array();
function hl(n) {
n.className='hl'}
function n(h) {
h.className='n'}
//--></script>
      </tbody>
    </table>
    <script language=JavaScript1.2>
if (document.all)
document.write('<\/DIV>')
</script>
    </layer>
    <!-- 左隐藏菜单END -->
</div>
<script type="text/javascript"> 
var browser=navigator.appName 
var b_version=navigator.appVersion 
var version=parseFloat(b_version) 
if (browser=="Netscape") 
{ 
 document.getElementById("aq").style.display="none"; 
   
} 
else {} 
</script>