在首页选择GOOGLE搜索中文时反馈的关键词为乱符

附：
原模板中的搜索代码：
<table class=border cellSpacing=0 cellPadding=0 vAlign=center>
<script>
function search4()
{
if(websearch.google.checked)
window.open("http://www.google.com/search?hl=zh-CN&lr=lang_zh-CN&q=" websearch.key.value,"mspg6");
if(websearch.baidu.checked)
window.open("http://www1.baidu.com/baidu?tn=site5566&word=" websearch.key.value,"mspg9");
if(websearch.sina.checked)
window.open("http://search.sina.com.cn/cgi-bin/search/search.cgi?_searchkey=" websearch.key.value,"mspg0");
if(websearch.sohu.checked)
window.open("共4页上一页1234下一页