function websearch()
{
 word=document.searchform.word.value;
 if(!word)
 {
 alert('ÇëÊäÈëËÑË÷µÄ¹Ø¼ü×Ö!');
 return false;
 }

if(window.searchform.web.checked)
{
 document.searchform.action='xw/showsearch.asp';
 document.searchform.keyword.value=word;
}
 else
{
 document.searchform.action='http://www.baidu.com/baidu';
 document.searchform.keyword.value=word;
 }
 return true;
}