<SCRIPT language=javascript>
<!-- Begin
function MM_jumpMenu(selObj)
  { //v3.0
   if (selObj.selectedIndex !=0 )
     {  //[selObj.selectedIndex]
      window.open(selObj.options.value);
     }
    else
    {
    for(var i=1;i<selObj.length;i++)
    window.open(selObj.options[i].value);
    }
  }
//-->
            </SCRIPT>
<select id="Select2" style="width: 160; height:19" onchange="MM_jumpMenu(this)" style="FONT-SIZE: 9pt; COLOR:#000000"  name="select">
                                <option  selected>-*-链 接1-*-</option>
                                <option value="http://1">1111111</option>
                                <option value="http://2">2222222</option>
                                </select></td>
                    </tr>
                    <tr>
                        <td align="center" height="26"> 
                        <select id="Select1" style="width: 160; height:19" onchange="MM_jumpMenu(this)" style="FONT-SIZE: 9pt; COLOR:#000000"  name="menu2">
                                <option selected>-*-链 接2-*-</option>
                                <option value="http://3">333333</option>
                                                                <option value="http://4">444444</option>
                                               </select></td>
                    </tr>
                    <tr>
                        <td align="center" height="25">  
                         <select id="Select3" style="width: 160; height:19" onchange="MM_jumpMenu(this)" style="FONT-SIZE: 9pt; COLOR:#000000"  name="menu4">
                                          <option selected>-*-链 接3-*-</option> 
                                          <option value="http://5">5555555</option>
                                          <option value="http://6">5555555</option>
                                          
                                       </select>

这段代码实现了下拉菜单选择网址的功能，不过问题在于当你利用下拉菜单选择网址并在新界面中弹出网址后，在主界面中也就是这个下拉菜单页面，鼠标的焦点还在你选定的那个网址上，一旦你滚动鼠标滑轮就会弹出下拉菜单中其他的网址，怎么改代码可以避免这个问题，我是初学者，多谢大家帮助~~~~~