var haoCurrHighLight = document.getElementById("haoweb");
function trim(str){
	return str.replace(/(^\s*)|(\s*$)/g, "");
}
function setStyle(a,b){
	var c=document.styleSheets[0];
	if(c.addRule){
	c.addRule(a,b);
	}else if(c.insertRule){
	c.insertRule(a+" { "+b+" }",c.cssRules.length);
	}}
function haoValidate(source){  
	wval = trim(f.word.value);
	if (f.sc.value=="post")
	{ 
	    f.kw.value=f.word.value
		f.ct.value=""
		f.tn.value=""
		f.rn.value=""
		f.pn.value=""
		f.lm.value=""
		f.rs2.value=0
		f.myselectvalue.value=1
		f.ie.value=""
		f.cl.value=""
		f.z.value=""
		f.from.value=""		
	  }
	if (f.sc.value=="img")
	{
		f.ct.value=201326592
		f.lm.value=-1
		f.cl.value=2
		f.tn.value="baiduimage"
		f.pv.value=""
		f.rs2.value=""
		f.myselectvalue.value=""
		f.ie.value=""
		f.z.value=0
		f.rn.value=""
		f.pn.value=""
		f.from.value=""
		f.f.value=""
		}
	if (f.sc.value=="zhidao")
	{
		f.ct.value=17
		f.tn.value="ikaslist"
		f.pn.value=0
		f.rn.value=10
		f.lm.value=""
		f.cl.value=""
		f.ie.value=""
		f.rs2.value=""
		f.f.value=""
		f.myselectvalue.value=""
		f.z.value=""
		f.from.value=""
		}
	if (f.sc.value=="web")
	{
	    f.cl.value=3
		f.tn.value="wzwaaton_pg"
		f.ct.value=0
		f.ie.value="gb2312"
		f.myselectvalue.value=""
		f.rn.value=""
		f.rs2.value=""
		f.pn.value=""
		f.z.value=""
		f.from.value=""
		f.lm.value=""
		}
	if (f.sc.value=="mp3")
	{
	    f.ct.value=134217728
		f.lm.value=-1
		f.rn.value=""
		f.cl.value=""
		f.tn.value="baidump3"
		f.f.value="ms"
		f.myselectvalue.value=""
		f.pn.value=""
		f.ie.value="gb2312"
		f.z.value=""
		f.from.value=""
		}	
	   return true;    
}
function haoSubSearch(sc){
	changePage(sc);
	imglogo=document.getElementById("imglogo");
	if(sc != "baidu"){
		if(sc == "post")
		{			
		    f.action = "http://tieba.baidu.com/f";
			imglogo.src="/images/logo_post.gif";
			imglogo.alt="百度贴吧";	
			urllogo.href="http://tieba.baidu.com/s";		
		}
		else if(sc == "zhidao")
		{
			f.action = "http://zhidao.baidu.com/q";
			imglogo.src="/images/logo_zhidao.gif";
			imglogo.alt="百度知道";	
			urllogo.href="http://zhidao.baidu.com/";
		}
		else if(sc == "mp3")
		{
			f.action = "http://mp3.baidu.com/m";
			imglogo.src="/images/logo_mp3.gif";
			imglogo.alt="百度MP3";	
			urllogo.href="http://mp3.baidu.com/";
		}
		else if(sc == "img")
		{
			f.action = "http://image.baidu.com/i";
			imglogo.src="/images/logo_pic.gif";
			imglogo.alt="百度图片";	
			urllogo.href="http://image.baidu.com/";
		}
		else if(sc == "Video")
		{
			f.action = "http://video.baidu.com/v";
			imglogo.src="/images/logo_video.gif";
			imglogo.alt="百度视频搜索";	
			urllogo.href="http://video.baidu.com/";
		}
		else 
		{
			f.action = "http://www.baidu.com/s";
			imglogo.src="/images/logox3.gif";			
			imglogo.alt="百度首页";	
			urllogo.href="http://www.baidu.com/index.php?tn=wzwaaton_pg";
		}
		f.sc.value = sc;
	}
	else{
		f.sc.value = "post";
		haoGoSoba();
	}
}

function haoGoSoba(){
	
	f.action = "http://www.baidu.com/s";
	f.kw.value = f.word.value;
}
function G(id)
{
 return document.getElementById(id);
}
function changePage(sc){
	if(haoCurrHighLight == null){
		haoCurrHighLight = document.getElementById("haoweb");
	}
	haoCurrHighLight.className = "searchfod2";
	haoCurrHighLight = document.getElementById("hao"+sc);
	haoCurrHighLight.className = "searchfod1";
	document.f.word.focus()
	 f.word.value="";
}

function isSoba(){
	if(haoCurrHighLight == document.getElementById("haosoba")){
		haoGoSoba();
		return true;
	}
	else{
		return true;
	}
}

function goSearch(){
	changeHotWords(document.f.sc.value);
	if(!haoValidate(1))
	{
			return false;
			}
	else{
	 return false;
	 }
}

function moreddshow(e) {
    vl = document.getElementById('vslist');
    vm = document.getElementById('vsearchmore');
    vm.href="javascript:void(0);";
    if(vl.style.display != 'block'){vl.style.display = 'block';vm.className='on';}
    else {vl.style.display = 'none';vm.className='';} 
    return false;}
function moreddhide(e){
    if (!e) var e = window.event;
    if(e.srcElement){var cesrc=e.srcElement.getAttribute("id");}
    else{var cesrc=e.target.getAttribute("id");}
    if(cesrc!="vsearchmore"){document.getElementById('vslist').style.display = 'none';document.getElementById('vsearchmore').className='';}
}
function moreddover(url){vm = document.getElementById('vsearchmore');vm.href=url;}
function moreddout(){vm = document.getElementById('vsearchmore');vm.href="javascript:void(0);";}
document.onclick=moreddhide;