<html>
<script>
window.onload=function(){
document.getElementById("form").reset();
}
</script>
<form id="form" name="form" method="post" action="t_course.jsp">
<div align="center">
年份 <select name="year" >
<option value="2008" >2008</option>
<option value="2009" selected>2009</option>
<option value="2010" >2010</option>
</select>
季节 <select name="xq" >
<option value="春" >春</option>
<option value="秋" "selected>秋</option>
</select>
<input type="submit" name="Submit" value="查询" />
</div>
<input type="text" size="12" value="aa" >
</form>
</html>