JAVASCRIPT不能运行

<%
myselectvalue=Request("myselectvalue")
lm=Request("lm")
fr=Request("fr")
ct=Request("ct")
pn=Request("pn")
tn=Request("tn")
rn=Request("rn")
wdtxt=Server.HTMLEncode(Request("wdtxt"))
if myselectvalue="16" then
%>
<form name="search_form1" method="get" action="http://zhidao.baidu.com/q">
<input type=hidden name=word value=<%=wdtxt%>>
<input type=hidden name=lm value=<%=lm%>>
<input type=hidden name=fr value=<%=fr%>>
<input type=hidden name=ct value=<%=ct%>>
<input type=hidden name=pn value=<%=pn%>>
<input type=hidden name=tn value=<%=tn%>>
<input type=hidden name=rn value=<%=rn%>>
</form>
<SCRIPT LANGUAGE="JAVASCRIPT">document.search_form1.submit();</SCRIPT>
<%
end if
if myselectvalue="17" then
%>
<script language=javascript>
location.href="http://wenwen.soso.com/z/Search.e?sp=S"+encodeURIComponent("<%=wdtxt%>");
</script>
<%
end if
if myselectbalue="18" then
%>
<script language=javascript>
location.href="http://wenda.tianya.cn/wenda/search