百家搜索：在网站中添加Google、百度等搜索引擎

来源：http://www.ido321.com/1143.html

看到一些网站上添加了各种搜索引擎。如Google、百度、360、有道等，就有点好奇，这个怎么实现？研究了一各个搜索引擎怎么传送关键字，找到了小窍门，于是乎，自家弄了一个百家搜索：

效果：



演示地址戳此：http://sousuodaquan.sinaapp.com/

ps：在列表中添加了糯米汇（http://www.nuomihui.com）的站内搜索，仅用于演示，别无它用，特此声明。

HTML代码：

[code]<div class="sdiv">
<form id="sform" method="get" target="_blank" action="http://www.baidu.com/s">
<div class="mains">
<ul id="selectul">
<li id="selectedli" style="background-color: white;">百度</li>
<li>百度</li>
<li>谷歌</li>
<li>必应</li>
<li>有道</li>
<li>搜搜</li>
<li>搜狗</li>
<li>360</li>
<li>爱淘宝</li>
<li>亚马逊</li>
<li>当当</li>
<li>知道</li>
<li>维基</li>
<li>Crea</li>
<li class="lastli">糯米汇</li>

</ul>
<input type="text" name="wd" id="findParam"/>
</div>
<input type="submit" value="搜索" id="btn" />
</form>
<h4 style="margin-left:100px">出处：<a href="http://www.ido321.com/" target="_blank">淡忘~浅思</a></h4>
</div>

[/code]
JavaScript：

window.onload = function()
{
var selectul = document.getElementById('selectul');
var lis = selectul.getElementsByTagName('li');
var selectedli = document.getElementById('selectedli');
var findParam = document.getElementById('findParam');
var sform = document.getElementById("sform");
var lislen = lis.length;
for (var i = 0; i < lislen; i++) {
lis[i].onmouseover=function()
{
selectul.style.overflow = "visible";
};
lis[i].onmouseout=function()
{
selectul.style.overflow = "hidden";
};
lis[i].onclick = function()
{
selectedli.innerHTML = this.innerHTML;
switch(this.innerHTML)
{
case "百度":
findParam.name='wd';
sform.action = "http://www.baidu.com/s";
break;
case "谷歌":
findParam.name='q';
sform.action = "http://www.google.com.hk/search";
break;
case "必应":
findParam.name='q';
sform.action = "http://cn.bing.com/search";
break;
case "有道":
findParam.name='query';
sform.action = "http://www.sogou.com/web";
break;
case "搜搜":
findParam.name='w';
sform.action = "http://www.soso.com/q";
break;
case "搜狗":
findParam.name='q';
sform.action = "http://www.youdao.com/search";
break;
case "360":
findParam.name='q';
sform.action = "http://www.youdao.com/search";
break;
case "爱淘宝":
findParam.name='key';
sform.action = "http://ai.taobao.com/search/index.htm";
break;
case "亚马逊":
findParam.name='field-keywords';
sform.action = "http://www.amazon.cn/s/ref=nb_sb_noss";
break;
case "当当":
findParam.name='key';
sform.action = "http://search.dangdang.com/";
break;
case "知道":
findParam.name='word';
sform.action = "http://zhidao.baidu.com/search";
break;
case "维基":
findParam.name='search';
sform.action = "ttp://zh.wikipedia.org/w/index.php";
break;
case "Crea":
findParam.name='q';
sform.action = "http://search.creativecommons.org/";
break;
case "糯米汇":
findParam.name='s';
sform.action = "http://www.nuomihui.com/";
break;
}
selectul.style.overflow = "hidden";
};
};
};

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