function dosearch(f){
	if(trim( f.q.value.replace(/[\/_]/g,' ') )==''){
		f.q.value='';	
		alert('关键词不能为空');
		f.q.focus();
		return false;
	}
	var q = encodeURIComponent(f.q.value.replace(/[\/_]/g,' '));//'
	
	var innersearchdomain = f.searchdomain.value;
	if(!innersearchdomain)innersearchdomain="#";
	
	
	var url= innersearchdomain+"/search_"+f.searchType.value+"/q_"+q;
	alert(url);
	location.href=url;
	return false;
	
}
function search_show(pos,searchType,href){
    document.getElementById(pos+"SearchType").value=searchType;
    document.getElementById(pos+"Sel").style.display="none";
    document.getElementById(pos+"Slected").innerHTML=href.innerHTML;
    document.getElementById(pos+'q').focus();
    
    var s2 = document.getElementById('soswitch');
	var sl = document.getElementById('sorelated');
    var s0 = document.getElementById("searchextend0");
    if(s0 != undefined && searchType == "bar" && pos=="head"){
    	s0.style.display="block";
		if(sl) sl.style.display = 'none';
		if(s2) s2.style.display="none";
    }else if(s0 != undefined && pos=="head"){
    	s0.style.display="none";
		if(sl) sl.style.display = '';
		if(s2) s2.style.display = '';
    }
    var s1 = document.getElementById("searchextend1");
    if(s1 != undefined && (searchType == "video" || searchType == "playlist") && pos=="head"){
    	s1.style.display="block";
		if(sl) sl.style.display = 'none';
    }else if(s1 != undefined && pos=="head"){
    	s1.style.display="none";
		if(sl) sl.style.display = '';
    }
    
    var s2 = document.getElementById("searchextend2");
    if(s1 != undefined && searchType == "user" && pos=="head"){
    	s2.style.display="block";
		if(sl) sl.style.display = 'none';
    }else if(s1 != undefined && pos=="head"){
    	s2.style.display="none";
		if(sl) sl.style.display = '';
    }
    
	try{window.clearTimeout(timer);}catch(e){}
	return false;
}

function ltrim(s){ return s.replace( /^(\s*|　*)/, ""); } 
function rtrim(s){ return s.replace( /(\s*|　*)$/, ""); } 
function trim(s){ return ltrim(rtrim(s));} 

function drop_mouseover(pos){
	try{window.clearTimeout(timer);}catch(e){}
}
function drop_mouseout(pos){
	var posSel=$(pos+"Sel").style.display;
	if(posSel=="block"){
		timer = setTimeout("drop_hide('"+pos+"')", 1000);
	}
}
function drop_hide(pos){
	$(pos+"Sel").style.display="none";
}

//act new//
function SetTab2(tab,id,cnt){
	var menus=document.getElementById(tab).getElementsByTagName("li");
	for(i=0;i<cnt;i++){
		i==id?menus[i].className="on":menus[i].className="";
		i==id?document.getElementById(tab+"-content"+i).className="block":document.getElementById(tab+"-content"+i).className="none";
	}
}