function $(s){if(document.getElementById){return eval('document.getElementById("' + s + '")');}else{return eval('document.all.' + s);}}
function s(s){$(s).style.display = "block";}
function h(s){$(s).style.display = "none";}
function sh(s){$(s).style.display = $(s).style.display == "none"?"block":"none";}

function ck_f(i,w){ if(i.value == w){ i.value = ""; i.style.color = "#333"; } }
function ck_b(i,w){ if(i.value == ""){ i.value = w; i.style.color = "#999"; } }
function show(d){
	s(d);
	eval(d+"_i.className='yhtx_on';");
}
function hide(d){
	h(d);
	eval(d+"_i.className='yhtx_of';");
}

var st_out = st_show = null;
function mOut(){
	clearTimeout(st_out);
	if($("d1").style.pixelTop < 40){
		$("d1").style.pixelTop += 20;
		st_out = setTimeout("mOut()", 1);
	}
}
function fShow(){ 
	clearTimeout(st_show);
	$("d1").style.visibility = "visible";
	st_show = setTimeout("mOut()", 10);
}
function fHide(){ 
	clearTimeout(st_show);
	$("d1").style.visibility = "hidden";
	$("d1").style.pixelTop = -156;
	$("z2ss_r").src="http://image2.sina.com.cn/pfp/iask/zsr/z2_ss_r1.gif";
}
function ss_on(n){
	var z2 = $("z2ss_r");
	if(z2.src.indexOf("z2_ss_r4")!=-1) { return false; }
	z2.src="http://image2.sina.com.cn/pfp/iask/zsr/z2_ss_r"+n+".gif";
}
function ss_of(n){
	var z2 = $("z2ss_r");
	if(z2.src.indexOf("z2_ss_r4")!=-1) { return false; }
	z2.src="http://image2.sina.com.cn/pfp/iask/zsr/z2_ss_r"+n+".gif";
}

function pl_sh(img,n){
	eval("pl_"+n+".style.display = pl_"+n+".style.display == 'none'?'block':'none';");
	eval("img.src = pl_"+n+".style.display == 'none'?'http://image2.sina.com.cn/pfp/i/z2/z2_zz_fbpl_da2.gif':'http://image2.sina.com.cn/pfp/i/z2/z2_zz_fbpl_da1.gif';");
}
function fbpl(img,n){
	eval("pl_"+n+".style.display = fbpl_"+n+".style.display = 'block';");
	eval("pl_f"+n+".pl_t"+n+".focus();");
	eval("img.src = 'http://image2.sina.com.cn/pfp/i/z2/z2_zz_fbpl_da1.gif';");
	void(0);
}
function fbpl_qx(n){
	eval("fbpl_"+n+".style.display = 'none';");
}

function zx_xs(zx,xs){
	eval(zx+"_t.className = 'yhb_y1_on';"+zx+"_d.style.display = 'block';"+xs+"_t.className = 'yhb_y1_of';"+xs+"_d.style.display = 'none';");
}

var p1 = new Image;
p1.src = "http://image2.sina.com.cn/pfp/ask/images/zhishi/fl_jh1.gif";
var p2 = new Image;
p2.src = "http://image2.sina.com.cn/pfp/ask/images/zhishi/fl_jh2.gif";

function open_close(trid,imgid){
	if(trid.style.display != "none"){
		trid.style.display = "none";
		imgid.src = p2.src;
	}
	else{
		trid.style.display = "block";
		imgid.src = p1.src;
	}
}
function flk(k){
	for(var i=1;i<6;i++){
		eval("flk"+i+".className='fl_of';");
	}
	k.className="fl_on";
}

function ask_submit(f){
	if(f.title.value=="" || f.title.value=="请输入查询词"){
		window.location.href = "/question/ask_new_2.php";
		return false;
	}
	f.action = "/question/ask_new_2.php";
	f.submit();
}
function search_submit(f){
	if(f.title.value=="" || f.title.value=="请输入查询词" || f.title.value=="请输入问题标题"){
		f.title.value = "请输入查询词";
		f.title.focus();
		return false;
	}
	f.key.value = f.title.value;
	f.action = "/search_engine/search_knowledge_engine.php";
	return true;
}
function do_submit(){
	var fn = document.getElementById("searchform2");
	try {
		fn.classid.value = getClassify ().GetVariable ("id");
		fn.gjss.value = 1;
	}catch (ex) {
		fn.classid.value = "";
	}
	if (search_submit (fn)) {
		fn.submit();
	}
}
function fShowI(){$("d1").style.visibility = "visible";}
function fHideI(){$("d1").style.visibility = "hidden";$("z2ss_r").src="http://image2.sina.com.cn/pfp/iask/zsr/z2_ss_r1.gif";}