以下放到<head></head>之间
<script language="JavaScript">
<!--
function MM_jumpMenu(targ,selObj,restore){ //v3.0
eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
if (restore) selObj.selectedIndex=0;
}
//-->
</script>
以下在<body></body>之间
<select name="type" onChange=MM_jumpMenu('self',this,0)>
<option value="s1.htm">A87807</option>
</select>
<script language="JavaScript">
<!--
function MM_jumpMenu(targ,selObj,restore){ //v3.0
eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
if (restore) selObj.selectedIndex=0;
}
//-->
</script>
以下在<body></body>之间
<select name="type" onChange=MM_jumpMenu('self',this,0)>
<option value="s1.htm">A87807</option>
</select>
<OPTION value="s1.htm">沪A87807</OPTION>
<OPTION value="沪A87808">沪A87808</OPTION>
<OPTION value="沪A99087">沪A99087</OPTION>
<OPTION value="沪A99120">沪A99120</OPTION>
</SELECT>
<OPTION value="s1.htm">沪A87807</OPTION>
<OPTION value="沪A87808">沪A87808</OPTION>
<OPTION value="沪A99087">沪A99087</OPTION>
<OPTION value="沪A99120">沪A99120</OPTION>
</SELECT>上面跳转整个页面,下面调转到指定frame中<SELECT name=truckNO onchange="top.frame名.location=this.options[this.selectedIndex].value">
<OPTION value="s1.htm">沪A87807</OPTION>
<OPTION value="沪A87808">沪A87808</OPTION>
<OPTION value="沪A99087">沪A99087</OPTION>
<OPTION value="沪A99120">沪A99120</OPTION>
</SELECT>