php站内搜索

<!--Google站内搜索开始-->  
<form method=get action="http://www.google.com/search">  
<input type=text name=q>  
<input type=submit name=btnG value="Google 搜索">  
<input type=hidden name=ie value=GB2312>  
<input type=hidden name=oe value=GB2312>  
<input type=hidden name=hl value=zh-CN>  
<input type=hidden name=domains value="www.williamlong.info">  
<input type=hidden name=sitesearch value="www.williamlong.info">  
</form>  
<!--Google站内搜索结束-->  
  
<!--Baidu站内搜索开始-->  
<form action="http://www.baidu.com/baidu">  
<input type=text name=word>  
<input type="submit" value="Baidu 搜索">  
<input name=tn type=hidden value="bds">  
<input name=cl type=hidden value="3">  
<input name=ct type=hidden value="2097152">  
<input name=si type=hidden value="www.williamlong.info">  
</form>  
<!--Baidu站内搜索结束-->  
  
<!--Yahoo站内搜索开始-->  
<form action="http://www.yahoo.com.cn/search">  
<input type=text name="p">  
<input type="submit" value="Yahoo 搜索">  
<input type=hidden name=vs value="www.williamlong.info">  
</form>  
<!--Yahoo站内搜索结束-->  
  
　　下面是Google和百度的Javascript版的站内搜索代码：  
  
<!--Google站内搜索开始-->  
<script type="text/javascript">   
function googlesearch () {  
var wq=document.getElementsByName("wq")[0].value;  
var link="http://www.google.com/search?domains=www.williamlong.info&sitesearch=www.williamlong.info&q="+wq;  
window.open(link); }  
</script>  
<input type="text" name="wq"/><input type="submit" onclick="javascript:googlesearch()" value="Google 搜索" />  
<!--Google站内搜索结束-->