<script language="javascript">

function searchbook(){
var f = document.search;
var keyword = f.keyword.value;
//keyword = encodeURIComponent(keyword);
//keyword = escape(keyword);
//keyword = encodeURI(keyword);
document.charset = "UTF-8";
f.title.value = "";
f.aulast.value = "";
f.isbn.value = "";
f.issn.value = "";
var radioValue = "";
for(var i=0; i<f.methodRadio.length; i++){
if(f.methodRadio[i].checked){
radioValue = f.methodRadio[i].value;
break;
}
}

if(radioValue == "title"){
f.title.value = keyword;
}else if(radioValue == "aulast"){
f.aulast.value = keyword;
}else if(radioValue == "isbn"){
f.isbn.value = keyword;
}else if(radioValue == "issn"){
f.issn.value = keyword;
}
f.submit();
}
</script> 
<div class="SearchInput"><form onSubmit="searchbook()" action="http://opac.wzlib.cn:8080/opac/websearch/openurl" method="get" name="search" target="_blank">
  <input name="keyword" type="text" class="txtSearch" value=""/>
<input type="image"  name="imgBtn" src="images/wzlibbtnGo.jpg"  onClick="searchbook();" value="search" ></div></div>
<div class="SelectRad SRpo">
 
   <input type="hidden" name="_charset_" value="UTF-8" />
<input type="hidden" name="title" value="" />
<input type="hidden" name="aulast" value="" />
<input type="hidden" name="isbn" value="" />
<input type="hidden" name="issn" value="" /><div class="SR">
 
      <label>
        <input type="radio" name="methodRadio" value="title"  checked="checked"//>
         题名</label>
      <label>
        <input type="radio" name="methodRadio" value="aulast"  />
        著者</label>
         <label>
        <input type="radio" name="methodRadio" value="isbn"  />
        ISBN</label>
         <label>
        <input type="radio" name="methodRadio" value="issn"  />
        ISSN</label>
        
  </form>