function setCookie(k, v, opt) {
    var val = encodeURIComponent(v);
    if (!opt) opt = {
        duration: 365
    };
    //if (opt && opt.duration) {
        var d = new Date();
        d.setTime(d.getTime() + 30 * 24 * 3600 * 1000);
        val += ';expires=' + d.toGMTString()
    //}
    document.cookie = k + '=' + val + ';path=/;domain=.004v.com'
}
function getCookie(k) {
    var c = document.cookie.split("; ");

    for (var i = 0; i < c.length; i++) {
        var p = c[i].split("=");
        if (k == p[0]) try {
            return decodeURIComponent(p[1])
        } catch(e) {
            return null
        }
    }
    return null
}

function eraseCookie(name)
{
	setCookie(name,"",-1);
}

function setTab(name,cursel,n){
	for(i=1;i<=n;i++){
	var menu=document.getElementById(name+i);
	var con=document.getElementById("con_"+name+"_"+i);
	menu.className=i==cursel?"hover":"";
	con.style.display=i==cursel?"block":"none";
	}
}

function setStyle(title) { 
	if (title != '') {
		document.getElementById('skintheme').href="/style/css/"+title+".css";
	} else {
		document.getElementById('skintheme').href="/style/css/blue.css";
	}
	setCookie('skin', title, 30);
}

var skin = getCookie("skin");
if (skin && skin != '0' && skin != 'blue') {
	document.getElementById('skintheme').href = "/style/css/"+skin+".css";
}

function gowhere1(formname)
{
var url;
if (formname.myselectvalue.value == "0")
{
url = "http://www.baidu.com/baidu";
document.search_form1.tn.value = "baidu";
formname.method = "get";
}
if (formname.myselectvalue.value == "1")
{
url = "http://mp3.baidu.com/m";
document.search_form1.tn.value = "baidump3";
document.search_form1.ct.value = "134217728";
document.search_form1.lm.value = "-1";
}

if (formname.myselectvalue.value == "4")
{
document.search_form1.tn.value = "news";
document.search_form1.cl.value = "2";
document.search_form1.rn.value = "20";
url = "http://news.baidu.com/ns"; 
}
if (formname.myselectvalue.value == "5")
{
document.search_form1.tn.value = "baiduiamge";
document.search_form1.ct.value = "201326592";
document.search_form1.cl.value = "2";
document.search_form1.lm.value = "-1"; 
url = "http://image.baidu.com/i"; 
}
if (formname.myselectvalue.value == "6")
{
url = "http://post.baidu.com/f";
document.search_form1.tn.value = "baiduPostSearch";
document.search_form1.ct.value = "352321536";
document.search_form1.rn.value = "10";
document.search_form1.lm.value = "65536"; 
}   
document.charset='gbk';
formname.action = url;
return true;
}


function g(formname) {
var url = "http://www.baidu.com/baidu";
if (formname.s[1].checked) {
formname.ct.value = "2097152";
}
else {
formname.ct.value = "0";
}
formname.action = url;
return true;
}