3.
<form name="searchform" method="post" action="/e/search/index.php" >
<input type="hidden" name="tempid" value="2" />
<input type="hidden" name="show" id="Top1_TxtKey" value="title,newstext">
<input type="hidden" name="classid" value="1,2,3">
<input class="searchinput" type="text" name="keyboard" id="Top1_TxtKey" value="在这里搜索..." onFocus="if(this.value=='在这里搜索...'){this.value='';}" onblur="if(this.value==''){this.value='在这里搜索...';}"/>
<input class="searchbutton" type="submit" name="Submit2" id="BtnSearch" value=" " onClick="search('txtkey')"/>