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更换select下拉菜单背景样式的实现代码

  作者:admin    来源:本站原创    点击次数:29     更新时间:2012-10-22 6:50:49  
     
 
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更换select下拉菜单背景样式的实现代码

更换select下拉菜单背景样式的实现代码,需要的朋友可以参考下。


代码如下:
<style>
.uboxstyle{width:174px;height:39px; float:right;}
#uboxstyle{width:174px;height:39px; float:right;}
#uboxstyle .select_box{width:174px;height:39px; float:left;}
#uboxstyle div.tag_select{display:block;color:#79A2BD;width:174px;height:39px;background:transparent url("images/select01.jpg") no-repeat 0 0;padding:0 10px;line-height:39px;}
#uboxstyle div.tag_select_hover{display:block;color:#79A2BD;width:174px;height:39px;background:transparent url("images/select01.jpg") no-repeat 0 0;padding:0 10px;line-height:39px; }
#uboxstyle div.tag_select_open{display:block;color:#79A2BD;width:174px;height:39px;background:transparent url("images/select01.jpg") no-repeat 0 0px;padding:0 10px;line-height:39px;}
#uboxstyle ul.tag_options{padding:0;margin:0;list-style:none;width:174px;padding:0 0 5px;margin:0;}
#uboxstyle ul.tag_options li{display:block;width:174px;padding:0 10px;height:30px;text-decoration:none;line-height:30px;color:#79A2BD;text-align:left;}
#uboxstyle ul.tag_options li.open_hover{color:#000}
#uboxstyle ul.tag_options li.open_selected{color:#000}
</style>
<script language="JavaScript">
var selects = document.getElementsByTagName('select');
var isIE = (document.all && window.ActiveXObject && !window.opera) ? true : false;
function $(id) {
return document.getElementById(id);
}
function stopBubbling (ev) {
ev.stopPropagation();
}
function rSelects() {
for (i=0;i<selects.length;i++){
selects[i].style.display = 'none';
select_tag = document.createElement('div');
select_tag.id = 'select_' + selects[i].name;
select_tag.className = 'select_box';
selects[i].parentNode.insertBefore(select_tag,selects[i]);
select_info = document.createElement('div');
select_info.id = 'select_info_' + selects[i].name;
select_info.className='tag_select';
select_info.style.cursor='pointer';
select_tag.appendChild(select_info);
select_ul = document.createElement('ul');
select_ul.id = 'options_' + selects[i].name;
select_ul.className = 'tag_options';
select_ul.style.position='absolute';
select_ul.style.display='none';
select_ul.style.zIndex='999';
select_tag.appendChild(select_ul);
rOptions(i,selects[i].name);
mouseSelects(selects[i].name);
if (isIE){
selects[i].onclick = new Function("clickLabels3('"+selects[i].name+"');window.event.cancelBubble = true;");
}
else if(!isIE){
selects[i].onclick = new Function("clickLabels3('"+selects[i].name+"')");
selects[i].addEventListener("click", stopBubbling, false);
}
}
}
function rOptions(i, name) {
var options = selects[i].getElementsByTagName('option');
var options_ul = 'options_' + name;
for (n=0;n<selects[i].options.length;n++){
option_li = document.createElement('li');
option_li.style.cursor='pointer';
option_li.className='open';
$(options_ul).appendChild(option_li);
option_text = document.createTextNode(selects[i].options[n].text);
option_li.appendChild(option_text);
option_selected = selects[i].options[n].selected;
if(option_selected){
option_li.className='open_selected';
option_li.id='selected_' + name;
$('select_info_' + name).appendChild(document.createTextNode(option_li.innerHTML));
}
option_li.onmouseover = function(){ this.className='open_hover';}
option_li.onmouseout = function(){
if(this.id=='selected_' + name){
this.className='open_selected';
}
else {
this.className='open';
}
}
option_li.onclick = new Function("clickOptions("+i+","+n+",'"+selects[i].name+"')");
}
}
function mouseSelects(name){
var sincn = 'select_info_' + name;
$(sincn).onmouseover = function(){ if(this.className=='tag_select')this.className='tag_select_hover'; }
$(sincn).onmouseout = function(){ if(this.className=='tag_select_hover') this.className='tag_select'; }
if (isIE){
$(sincn).onclick = new Function("clickSelects('"+name+"');window.event.cancelBubble = true;");
}
else if(!isIE){
$(sincn).onclick = new Function("clickSelects('"+name+"');");
$('select_info_' +name).addEventListener("click", stopBubbling, false);
}
}
function clickSelects(name){
var sincn = 'select_info_' + name;
var sinul = 'options_' + name;
for (i=0;i<selects.length;i++){
if(selects[i].name == name){
if( $(sincn).className =='tag_select_hover'){
$(sincn).className ='tag_select_open';
$(sinul).style.display = '';
}
else if( $(sincn).className =='tag_select_open'){
$(sincn).className = 'tag_select_hover';
$(sinul).style.display = 'none';
}
}
else{
$('select_info_' + selects[i].name).className = 'tag_select';
$('options_' + selects[i].name).style.display = 'none';
}
}
}
function clickOptions(i, n, name){
var li = $('options_' + name).getElementsByTagName('li');
$('selected_' + name).className='open';
$('selected_' + name).id='';
li[n].id='selected_' + name;
li[n].className='open_hover';
$('select_' + name).removeChild($('select_info_' + name));
select_info = document.createElement('div');
select_info.id = 'select_info_' + name;
select_info.className='tag_select';
select_info.style.cursor='pointer';
$('options_' + name).parentNode.insertBefore(select_info,$('options_' + name));
mouseSelects(name);
$('select_info_' + name).appendChild(document.createTextNode(li[n].innerHTML));
$( 'options_' + name ).style.display = 'none' ;
$( 'select_info_' + name ).className = 'tag_select';
selects[i].options[n].selected = 'selected';
}
window.onload = function(e) {
bodyclick = document.getElementsByTagName('body').item(0);
rSelects();
bodyclick.onclick = function(){
for (i=0;i<selects.length;i++){
$('select_info_' + selects[i].name).className = 'tag_select';
$('options_' + selects[i].name).style.display = 'none';
}
}
}
</script>
<div style="width:500px;">
<form id="form1" name="form1" method="post" action="?Action=Select" style="padding:0px;">
<div style="width:200px; float:left; text-align:left; margin-top:8px;">
<div id="uboxstyle">
<select name="select1" id="language">
<option value="1">Cars...</option>
</select>
</div>
</div>
<div style="width:200px; float:left;text-align:left;margin-top:8px;">
<div id="uboxstyle">
<select name="select2" id="language2">
<option value="">all</option>
</select>
</div>
</div>
<div style="width:100px; float:left">
<input type="submit" name="button" id="button" value="" style="background-image:url(images/selectbt.jpg); width:92px; height:38px; border:0px; cursor:hand;" />
</div>
</form></div>

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