<form name=bf *****ubmit="bottomForm();return false;">
<script>
function bottomForm(){
var $=document.bf.key.value;
if(document.bf.sto[0].checked)window.open("./plus/search.php?kwtype=0&keyword="+$,"a1");
if(document.bf.sto[1].checked)window.open("http://www.baidu.com/s?q1="+"&q6=blog.sina.com.cn","a2");
if(document.bf.sto[2].checked)window.open("http://www.google.com/search?hl=zh-CN&q="+"&as_sitesearch=blog.sina.com.cn","a3");
// if(document.bf.sto[3].checked)window.open("http://www.gougou.com/search?id=1&search="+$,"a4");
// if(document.bf.sto[4].checked)window.open("http://map.baidu.com/m?word="+$,"a5");
// if(document.bf.sto[5].checked)window.open("http://bk.baidu.com/?kw="+"&submit=search","a6");
return false}
</script> <div >
<h4>搜索</h4>
<!-- <input name="key" value="(输入搜索内容……)"> -->
<input name="key" value="（输入搜索内容……）" onfocus="if(this.value=='（输入搜索内容……）'){this.value='';}" onblur="if(this.value==''){this.value='（输入搜索内容……）';}">
<input name=sto type=radio value="0" checked=true>本站内
<input name=sto type=radio value="1"><a href="http://www.baidu.com">百度</a>
<input name=sto type=radio value="2"><a href="http://www.google.cn">Google</a>
<!--
<input name=sto type=radio value="3"><a href="http://www.gougou.com">狗狗</a>
<input name=sto type=radio value="4"><a href="http://map.baidu.com">地图</a>
<input name=sto type=radio value="5"><a href="http://baike.baidu.com">百科</a>
-->
<button type="submit" >搜索</button>
</div>
</form>