在线等。。。。。沙发也有分

下面代码中老出现两个一样功能的下拉框，如何将上面的dripdowelist的下拉框去了，保留下面的图片的下拉框呢<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>图片+JavaScript+CSS打造漂亮的select下拉选择框
- www.webdm.cn</title>
<style type="text/css">
body{margin:20px auto;font-family:Arial,Helvetica,sans-serif;font-size:12px;width:950px;height:400px;border:solid 1px #aaa;position:relative;padding:10px;}
h1{font-size:12px;color:#444;}
ul{margin:0;padding:0;list-style:none;}
.dropDownList{position:absolute;left:100px;top:100px;}
.dropDownList div.dropdown{float:left;margin-right:120px;}
.dropDownList span{display:block;width:146px;height:26px;background:url(http://www.webdm.cn/images/20100411/selectbg.gif) left top no-repeat;line-height:26px;text-indent:12px;border:solid 1px #83BBD9;cursor:default;}
.dropDownList span.over{background-position:left bottom;border-color:#B4C91A;}
.dropDownList ul{width:200px;display:none;position:absolute;}
.dropDownList ul li{background:#eee;height:20px;width:100%;padding:3px 0;text-indent:12px;cursor:default;line-height:20px;}
/*普通状态下的样式*/
.dropDownList ul li.normal{background:#eee;}
/*鼠标移上的样式*/
.dropDownList ul li.over{background:#ccc;}
/*被选中的样式*/
.dropDownList ul li.current{background:#c2c2c2;font-weight:bold;}
.dropDownList ul.show{display:block;}
</style></head>
<body>
<form action="#" method="get">
<div class="dropDownList">
<div id="dropDownList1" class="dropdown">
<select name="birthday">
<option>请选择</option>
<option>1986</option>
<option>1987</option>
<option selected="selected">1988</option>
<option>1989</option>
<option>1990</option>
</select>
<span>请选择年份</span>
<ul></ul>
</div>
<div id="dropDownList2" class="dropdown">
<select name="sex">
<option>性别</option>
<option>男</option>
<option selected="selected">女</option>
<option>不是男，也不是女</option>
</select>
<span>请选择性别</span>
<ul></ul>
</div>
<div id="dropDownList3" class="dropdown">
<select name="student">
<option>aaa</option>
<option>小学</option>
<option selected="selected">初中</option>
<option>高中</option>
</select>
<span>请选择学历</span>
<ul></ul>
</div>
</div>
</form>
<script type="text/javascript">
var ____configArray;
function __initDropDownList(configArray){
//获取Select菜单
____configArray=configArray;
var existArray=configArray.split("|");
for(var i=0;i<existArray.length;i++){
if(existArray[i].length<1){return;}
//根据参数分别获取div，并分别添加事件
var parentContainer=document.getElementById(existArray[i]);
if(!parentContainer){return;}
//获取下面的select，且获取其中的option
var selectObj=parentContainer.getElementsByTagName("select");
if(selectObj.length<1){return;}
var optionArray=selectObj[0].getElementsByTagName("option");
//获取option，并分别添加到各个li
var optionLength=optionArray.length;
for(var j=0;j<optionLength;j++){
//获取ul，以便能够添加项目
var ulObj=parentContainer.getElementsByTagName("ul");
if(ulObj.length<1){return;}
//获取span，以便能显示当前选择的项目
var spanObj=parentContainer.getElementsByTagName("span");
if(spanObj.length<1){return;}
var liObj=document.createElement("li");
var textNode=document.createTextNode(optionArray[j].firstChild.nodeValue)
liObj.appendChild(textNode);
liObj.setAttribute("currentIndex",j);
//如果option的selected="selected"
if (optionArray[j].selected){
selectCurrentItem(ulObj[0],liObj);
}
//给每个liObj添加事件
liObj.onclick=function(){
selectCurrentItem(this.parentNode,this);
}
liObj.onmouseover=function(){if(this.className.indexOf("current")<0){this.className="over";}}
liObj.onmouseout=function(){if(this.className.indexOf("current")<0){this.className="normal";}}
ulObj[0].appendChild(liObj);
spanObj[0].onclick=function(event){
//如果当前是显示的，就隐藏，反之亦然
showHiddenUl(this);
}
spanObj[0].onmouseover=function(){this.className='over';}
spanObj[0].onmouseout=function(){this.className="";};
ulObj[0].onclick=function(){this.className="";}
}
parentContainer.onclick=function(event){
if(!event){event=window.event;}
event.cancelBubble=true;
var eventUlObj=this.getElementsByTagName("ul")[0];
bodyClickHiddenUl(eventUlObj);
}
}
}
function selectCurrentItem(ulObj,currentObj){
var parentObj=ulObj.parentNode;
var spanObj=parentObj.getElementsByTagName("span")[0];
spanObj.firstChild.nodeValue=currentObj.firstChild.nodeValue;
var selectObj=parentObj.getElementsByTagName("select")[0];
selectObj.selectedIndex=parseInt(currentObj.getAttribute("currentIndex"));
var ulLiObj=ulObj.getElementsByTagName("li");
var length=ulLiObj.length;
var currentLiObj=null;
for(var i=0;i<length;i++){
currentLiObj=ulLiObj[i];
currentLiObj.className="normal";
}
currentObj.className="current";
}
function showHiddenUl(currentObj){
var parentNode=currentObj.parentNode;
var ulObj=parentNode.getElementsByTagName("ul")[0];
if(ulObj.className==""){
ulObj.className="show";
}else{
ulObj.className="";
}
}
//点击body区域（非“下拉菜单”）隐藏菜单
function addBodyClick(func) {
var bodyObj=document.getElementsByTagName("body")[0];
var oldBodyClick = bodyObj.onclick;
if (typeof bodyObj.onclick != 'function') {
bodyObj.onclick = func;
} else {
bodyObj.onclick = function() {
oldBodyClick();
func();
}
}
}
//隐藏所有的UL
function bodyClickHiddenUl(eventUlObj){
var existArray=____configArray.split("|");
for(var i=0;i<existArray.length;i++){
if(existArray[i].length<1){return;}
//寻找所有UL并且隐藏
var parentContainer=document.getElementById(existArray[i]);
if(!parentContainer){return;}
var ulObj=parentContainer.getElementsByTagName("ul");
if(eventUlObj!=ulObj[0]){
ulObj[0].className="";
}
}
}
var __dropDownList="dropDownList1|dropDownList2|dropDownList3";
__initDropDownList(__dropDownList);
//添加这个可以确保点击body区域的时候也可以隐藏菜单
addBodyClick(bodyClickHiddenUl);
</script><br />
</body>
</html>

解决方案 »

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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
  <title>图片+JavaScript+CSS打造漂亮的select下拉选择框
- www.webdm.cn</title>
<style type="text/css">
body{margin:20px auto;font-family:Arial,Helvetica,sans-serif;font-size:12px;width:950px;height:400px;border:solid 1px #aaa;position:relative;padding:10px;}
h1{font-size:12px;color:#444;}
ul{margin:0;padding:0;list-style:none;}
.dropDownList{position:absolute;left:100px;top:100px;}
.dropDownList div.dropdown{float:left;margin-right:120px;}
.dropDownList span{display:block;width:146px;height:26px;background:url(http://www.webdm.cn/images/20100411/selectbg.gif) left top no-repeat;line-height:26px;text-indent:12px;border:solid 1px #83BBD9;cursor:default;}
.dropDownList span.over{background-position:left bottom;border-color:#B4C91A;}
.dropDownList ul{width:200px;display:none;position:absolute;}
.dropDownList ul li{background:#eee;height:20px;width:100%;padding:3px 0;text-indent:12px;cursor:default;line-height:20px;}
/*普通状态下的样式*/
.dropDownList ul li.normal{background:#eee;}
/*鼠标移上的样式*/
.dropDownList ul li.over{background:#ccc;}
/*被选中的样式*/
.dropDownList ul li.current{background:#c2c2c2;font-weight:bold;}
.dropDownList ul.show{display:block;}
</style></head>
<body>
<form action="#" method="get">
<div class="dropDownList">
<div id="dropDownList1" class="dropdown">
<select name="birthday" style="display: none">
<option>请选择</option>
<option>1986</option>
<option>1987</option>
<option selected="selected">1988</option>
<option>1989</option>
<option>1990</option>
</select>
<span>请选择年份</span>
<ul></ul>
</div>
<div id="dropDownList2" class="dropdown">
<select name="sex"  style="display: none">
<option>性别</option>
<option>男</option>
<option selected="selected">女</option>
<option>不是男，也不是女</option>
</select>
<span>请选择性别</span>
<ul></ul>
</div>
<div id="dropDownList3" class="dropdown">
<select name="student"  style="display: none">
<option>aaa</option>
<option>小学</option>
<option selected="selected">初中</option>
<option>高中</option>
</select>
<span>请选择学历</span>
<ul></ul>
</div>
</div>
</form>
<script type="text/javascript">
    var ____configArray;
    function __initDropDownList(configArray) {
        //获取Select菜单
        ____configArray = configArray;
        var existArray = configArray.split("|");
        for (var i = 0; i < existArray.length; i++) {
            if (existArray[i].length < 1) { return; }
            //根据参数分别获取div，并分别添加事件
            var parentContainer = document.getElementById(existArray[i]);
            if (!parentContainer) { return; }
            //获取下面的select，且获取其中的option
            var selectObj = parentContainer.getElementsByTagName("select");
            if (selectObj.length < 1) { return; }
            var optionArray = selectObj[0].getElementsByTagName("option");
            //获取option，并分别添加到各个li
            var optionLength = optionArray.length;
            for (var j = 0; j < optionLength; j++) {
                //获取ul，以便能够添加项目
                var ulObj = parentContainer.getElementsByTagName("ul");
                if (ulObj.length < 1) { return; }
                //获取span，以便能显示当前选择的项目
                var spanObj = parentContainer.getElementsByTagName("span");
                if (spanObj.length < 1) { return; }
                var liObj = document.createElement("li");
                var textNode = document.createTextNode(optionArray[j].firstChild.nodeValue)
                liObj.appendChild(textNode);
                liObj.setAttribute("currentIndex", j);
                //如果option的selected="selected"
                if (optionArray[j].selected) {
                    selectCurrentItem(ulObj[0], liObj);
                }
                //给每个liObj添加事件
                liObj.onclick = function () {
                    selectCurrentItem(this.parentNode, this);
                }
                liObj.onmouseover = function () { if (this.className.indexOf("current") < 0) { this.className = "over"; } }
                liObj.onmouseout = function () { if (this.className.indexOf("current") < 0) { this.className = "normal"; } }
                ulObj[0].appendChild(liObj);
                spanObj[0].onclick = function (event) {
                    //如果当前是显示的，就隐藏，反之亦然
                    showHiddenUl(this);
                }
                spanObj[0].onmouseover = function () { this.className = 'over'; }
                spanObj[0].onmouseout = function () { this.className = ""; };
                ulObj[0].onclick = function () { this.className = ""; }
            }
            parentContainer.onclick = function (event) {
                if (!event) { event = window.event; }
                event.cancelBubble = true;
                var eventUlObj = this.getElementsByTagName("ul")[0];
                bodyClickHiddenUl(eventUlObj);
            }
        }
    }
    function selectCurrentItem(ulObj, currentObj) {
        var parentObj = ulObj.parentNode;
        var spanObj = parentObj.getElementsByTagName("span")[0];
        spanObj.firstChild.nodeValue = currentObj.firstChild.nodeValue;
        var selectObj = parentObj.getElementsByTagName("select")[0];
        selectObj.selectedIndex = parseInt(currentObj.getAttribute("currentIndex"));
        var ulLiObj = ulObj.getElementsByTagName("li");
        var length = ulLiObj.length;
        var currentLiObj = null;
        for (var i = 0; i < length; i++) {
            currentLiObj = ulLiObj[i];
            currentLiObj.className = "normal";
        }
        currentObj.className = "current";
    }
    function showHiddenUl(currentObj) {
        var parentNode = currentObj.parentNode;
        var ulObj = parentNode.getElementsByTagName("ul")[0];
        if (ulObj.className == "") {
            ulObj.className = "show";
        } else {
            ulObj.className = "";
        }
    }
    //点击body区域（非“下拉菜单”）隐藏菜单
    function addBodyClick(func) {
        var bodyObj = document.getElementsByTagName("body")[0];
        var oldBodyClick = bodyObj.onclick;
        if (typeof bodyObj.onclick != 'function') {
            bodyObj.onclick = func;
        } else {
            bodyObj.onclick = function () {
                oldBodyClick();
                func();
            }
        }
    }
    //隐藏所有的UL
    function bodyClickHiddenUl(eventUlObj) {
        var existArray = ____configArray.split("|");
        for (var i = 0; i < existArray.length; i++) {
            if (existArray[i].length < 1) { return; }
            //寻找所有UL并且隐藏
            var parentContainer = document.getElementById(existArray[i]);
            if (!parentContainer) { return; }
            var ulObj = parentContainer.getElementsByTagName("ul");
            if (eventUlObj != ulObj[0]) {
                ulObj[0].className = "";
            }
        }
    }
    var __dropDownList = "dropDownList1|dropDownList2|dropDownList3";
    __initDropDownList(__dropDownList);
    //添加这个可以确保点击body区域的时候也可以隐藏菜单
    addBodyClick(bodyClickHiddenUl);
</script><br />
</body>
</html>
我给你把下拉框的样式设置隐藏了  拿去用吧