<form action="http://www.baidu.com/baidu" target="_blank">
<div align="center">
<input name=tn type=hidden value=baidu>
<a href="http://www.baidu.com/"><img src="http://img.baidu.com/search/img/baidulogo_clarity_80_29.gif" alt="Baidu" align="bottom" border="0"></a>
<input type=text name=word size=30>
<input type="submit" value="百度搜索">
</div>
</form>

02:

<SCRIPT language=javascript>
function gowhere1(formname)
{
 var url;
 if (formname.myselectvalue.value == "0")
 {
  url = "http://www.baidu.com/baidu";
  document.search_form1.tn.value = "baidu";
  formname.method = "get";
 }
 if (formname.myselectvalue.value == "1")
 {
  url = "http://mp3.baidu.com/m";
  document.search_form1.tn.value = "baidump3";
  document.search_form1.ct.value = "134217728";
  document.search_form1.lm.value = "-1";
 }
 
 if (formname.myselectvalue.value == "4")
 {
  document.search_form1.tn.value = "news";
  document.search_form1.cl.value = "2";
  document.search_form1.rn.value = "20";
  url = "http://news.baidu.com/ns"; 
 }
 if (formname.myselectvalue.value == "5")
 {
  document.search_form1.tn.value = "baiduiamge";
  document.search_form1.ct.value = "201326592";
  document.search_form1.cl.value = "2";
  document.search_form1.lm.value = "-1"; 
  url = "http://image.baidu.com/i"; 
}
if (formname.myselectvalue.value == "6")
 {
  url = "http://post.baidu.com/f";
  document.search_form1.tn.value = "baiduPostSearch";
  document.search_form1.ct.value = "352321536";
  document.search_form1.rn.value = "10";
  document.search_form1.lm.value = "65536"; 
 }   
 
  formname.action = url;
 return true;
}
</SCRIPT>
<form name="search_form1" target="_blank" onsubmit="return gowhere1(this)">
<table width="100%" height="80" border="0" cellpadding="0" cellspacing="0" style=font-family:宋体><tr><td>
<TABLE width=144% height="80" border=0 cellPadding=0 cellSpacing=0>
      <INPUT name=myselectvalue type=hidden value=0>
      <INPUT name=tn type=hidden>
      <INPUT name=ct type=hidden>
      <INPUT name=lm type=hidden>
      <INPUT name=cl type=hidden>
      <INPUT name=rn type=hidden>
      <TR>
                  <TD width="8%" valign="bottom">
                    <DIV align=center><a href="http://www.baidu.com/"><img src="http://img.baidu.com/search/img/baidulogo_clarity_80_29.gif"
alt="Baidu" align="bottom" border="0"></a></DIV></TD>
    <TD vAlign=bottom width="92%">
<INPUT name=myselect onclick=javascript:this.form.myselectvalue.value=4; type=radio value=0>