function selClass()
{
	if (document.f1.film_class.selectedIndex > 0) {
		document.f1.search_type.value = "2";
		document.f1.submit();
	   return true;
	} else {
		alert("請選擇分類");
		return false;
	}
}


function doSearchByName()
{
   if(document.f1.film_name.value.length==0)
   {
      window.alert("書籍名稱不能為空白!!!");
      return false;
   }
   document.f1.search_type.value = "3";
   return true;
}
document.write('<form action="search_result.asp" method="post" name="f1"><INPUT type="hidden" name="search_type" value="3"><table style="border-bottom:1px solid #B2B2B2" border="0" width="100%" cellspacing="0" cellpadding="0" background="/images/bar_bg2.gif"><tr><td align=right>書籍名稱:</td><td><input type="text" name="film_name" size="20"><input type="Submit" name="btn_search_name" value="Go" onClick="return doSearchByName();"> </td></td><td align=right>分類尋找:</td><td><select name="film_class" size="1" onChange="selClass()"><option>請選擇...<option value="55">愛情文藝</option><option value="56">武俠小說</option>        <option value="62">漫畫</option>        <option value="58">國外翻譯書籍</option>        <option value="59">電視小說</option>        <option value="57">暢銷書</option>        <option value="75">原文書</option>        <option value="81">文學</option>        <option value="83">藝術</option>        <option value="84">美容美體</option>        <option value="87">電影小說</option>        <option value="97">商業</option>      </select><input type="button" name="b1" value="Go" onClick="return selClass();"> </td></tr></form></table>')