<%
dim count
set rs=server.createobject("adodb.recordset")
sql = "select * from ANclass order by Nclassid asc"
rs.open sql,conn,1,1
%>
<script language = "JavaScript">
var onecount;
onecount=0;
subcat = new Array();
        <%
        count = 0
        do while not rs.eof 
        %>
subcat[<%=count%>] = new Array("<%= trim(rs("Nclass"))%>","<%= trim(rs("classid"))%>","<%= trim(rs("Nclassid"))%>");
        <%
        count = count + 1
        rs.movenext
        loop
        rs.close
        %>
onecount=<%=count%>;

function changelocation(locationid)
    {
    document.myform.Nclassid.length = 0; 

    var locationid=locationid;
    var i;
    for (i=0;i < onecount; i++)
        {
            if (subcat[i][1] == locationid)
            { 
                document.myform.Nclassid.options[document.myform.Nclassid.length] = new Option(subcat[i][0], subcat[i][2]);
            }        
        }
        
    }    
</script>
<form method="post" name="myform" action="ru_query.asp">
文章搜索：
<select name="action" size="1">
    <option value="title" selected>文章標題</option>
    <option value="content">文章內容</option>
	<option value="writer">作者</option>
  </select>
<select name="classid" onChange="changelocation(document.myform.classid.options[document.myform.classid.selectedIndex].value)" size="1">
	<option selected value="">搜索全部</option>
        <% 
        
        sql = "select * from Aclass"
        rs.open sql,conn,1,1
        do while not rs.eof
        %>
        <option value="<%=trim(rs("classid"))%>"><%=trim(rs("class"))%></option>
       
        <%
        rs.movenext
        loop
        rs.close
        %>
       </select> 
    
    <select name="Nclassid">                  
        <option selected value="">搜索全部</option>
    </select>
<input type="text" name="keyword" class=smallinput size=10 value="關鍵字" maxlength="50">
<input type="submit" name="Submit" value="搜索" class="buttonface">
</form>