这个比较长，只要将下列代码加入<body</body之间就行：
<form Name="InputForm"
<div align="center"<center<p<script language="JavaScript"
var FirstForm;
function StartSearch()
{
document.forms[FirstForm+document.InputForm.SearchSelect.
selectedIndex].elements[0].value=document.InputForm.SearchWords.value;
document.forms[FirstForm+document.InputForm.SearchSelect.
selectedIndex].submit();
}
</script<span style="font-size: 9pt"查找内容:</span<input name="SearchWords" type="text" size="21"
style=" margin-left: 1px"<br
<span style="font-size: 9pt"搜索引擎:</span<select Name="SearchSelect" size="1" style="background-color:
rgb(0,0,0); color: rgb(255,255,0)"
<option selectedYahoo </option
<optionInfoSeek </option
<optionaltavista</option
<option value="Magellan"Magellan</option
<option value="Point "Point </option
<option value="中文YAHOO"中文YAHOO</option
<option value="全球FTP资源搜索系统"全球FTP资源搜索系统</option
<option value="全球游戏资源搜索系统"全球游戏资源搜索系统</option
<optionYeah中文搜索</option
<optionCseek中文搜索</option
<option value="台湾绿世界中文搜索"台湾绿世界中文搜索</option
<option value="台湾番薯藤"台湾番薯藤</option
<option value="东方网景"东方网景</option
</select<br
<input type="button" value=" 开始查找 " onClick="StartSearch()" <script language="JavaScript"
FirstForm=document.forms.length
</script</p
</center</div
</form
<form action="http://search.yahoo.com/bin/search" method="get"
<input type="hidden" name="p" value
</form
<form METHOD="GET" ACTION="http://www3.infoseek.com/Titles"
<input type="hidden" name="qt" value<input type="hidden" name="col" value="WW"<input type="hidden"
name="sv" value="IS"<input type="hidden" name="lk" value="noframes"<input type="hidden" name="nh"
value="10"
</form
<form action="http://www.altavista.digital.com/cgi-bin/query?pg=q&amp;what=web&amp;q="
<input type="hidden" name="q" value
</form
<form action="http://www.mckinley.com/searcher.cgi?query="
<input type="hidden" name="query" value
</form
<form action="http://point.lycos.com/cgi-bin/pursuit?query="
<input type="hidden" name="query" value
</form
<form action="http://search.chinese.yahoo.com/search/gb" method="get"
<input type="hidden" name="p" value
</form
<form action="http://ftpsearch.unit.no/ftpsearch"
<input type="hidden" name="query" value
</form
<form action="http://www.gamesdomain.com/cgi-bin/wwwwais"
<input type="hidden" name="keywords" value
</form
<form action="http://www.yeah.net/cgi-bin/search/search.cgi"
<input type="hidden" name="key" value
</form
<form action="http://www.cseek.com/homepage/cgi/srchengine.cgi"
<input type="hidden" name="searchkey" value&