function checkQuestion(this_form)
{
        this_form.source.value = "ysearch_ks_bar_ask";

	this_form.title.value=this_form.p.value;
/*
    if (this_form.title.value.length < 6 || this_form.title.value.length > 30){
        alert("请把题目长度控制在6-30字之间，谢谢。");
        return false ;     
	this_form.link.value="ask";
	this_form.action="/question/";
	this_form.submit();
	return false;
    }
*/
	this_form.action="http://ks.cn.yahoo.com/question/index";
	this_form.submit();
	return true;
}

function checkSearch(this_form)
{
    var p = this_form.p.value.replace(/[\'\"]+/g, " ");
    p = p.replace(/^[ 　]+|[ 　]+$/g, "");
    p = p.replace(/[ 　]+/g, " ");
    this_form.p.value = p;
	if(this_form.p.value=="" || this_form.p.value=="请输入查询词"){
		this_form.p.value="请输入查询词";
		this_form.p.focus();
              if(this_form.p.setSelectionRange)
              {
                this_form.p.setSelectionRange(0,this_form.p.value.length);
              }
              else
              {
                this_form.p.select();
              }       
		return false;
	}
	this_form.action="/search/search_result";

	return true;
}

function checkAdvanceSearch(ref)
{
    ref.href = "/search/search_advance?source=ysearch_ks_hp_bar_asearch";

    keyword = document.forms["multi_submit"].elements["p"].value;
    if(typeof encodeURIComponent == 'function')
    {
        keyword = encodeURIComponent(keyword);
    }
    else
    {
        keyword = "";
    }
    if(keyword != "")
    {
        ref.href += "&title=" + keyword;
    }
/*
    if (this_form.title.value.length < 6 || this_form.title.value.length > 30){
        alert("请把题目长度控制在6-30字之间，谢谢。");
        return false ;     
	this_form.link.value="ask";
	this_form.action="/question/";
	this_form.submit();
	return false;
    }
*/
    return true;
}

function openwin(mypage,myname,w,h,infocus) {
  settings="width=" + w + ",height=" + h + ",top=0,left=0,scrollbars=yes,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no";
  win=window.open(mypage,myname,settings);
  win.focus();
}

function pass_keyword(ref, val)
{
 var home_page = new Array(
 "http://search.cn.yahoo.com/",
 "http://focus.search.yahoo.cn/index.html",
 "http://ks.cn.yahoo.com/",
 "http://music.yahoo.com.cn/",
 "http://image.yahoo.com.cn/",
 "http://bendi.yahoo.cn",
 "http://gouwu.cn.yahoo.com/?source=y_ks");
 var res_page = new Array(
 "http://www.yahoo.com.cn/search?ei=utf-8&fr=fp-tab-web-ycn&meta=vl%3Dlang_zh-CN%26vl%3Dlang_zh-TW&pid=ysearch&p=",
 "http://cn.news.yahoo.com/search.html?ei=utf-8&p=",
 "http://ks.cn.yahoo.com/search/search_result2?ei=utf-8&p=", 
 "http://music.yahoo.com.cn/search.html?ei=utf-8&p=",
 "http://image.yahoo.com.cn/search?ei=utf-8&p=",
 "http://bendi.yahoo.cn/search/searchstore.html?ei=utf-8&option.key=",
 "http://gouwu.cn.yahoo.com/search?source=y_ks&p=",
 "http://combo.yahoo.com.cn/search?ei=utf-8&p=");
  if(navigator.userAgent.toLowerCase().indexOf("msie")>0 && navigator.userAgent.toLowerCase().indexOf("5.0")>0){
 	ref.href = home_page[val];
	return;
 }
 keyword = document.forms["multi_submit"].elements["p"].value;
 
	 if(typeof encodeURIComponent == 'function'){
	 keyword = encodeURIComponent(keyword);
	 }else{
	 keyword = escape(keyword);
	 }
 
 if(keyword == "")
 {
 ref.href = home_page[val];
 }
 else
 {
 ref.href = res_page[val] + keyword;
 }
 return 1;
}

function showTips(x) {
    document.getElementById('tips'+x).style.display="block"
}

function hideTips(x) {
    document.getElementById('tips'+x).style.display="none"
}
<!-- ksw11.search.cnb.yahoo.com compressed/chunked Sat Nov 21 05:55:02 CST 2009 -->