//登录
function lonOn(n){ 
for(var i=1;i<=4;i++){ 
var curB=document.getElementById("LonOnNav"+i); 
if(n==i){ 
curB.className="titleA";
}else{ 
curB.className="titleB";
} 
}
_$("usertype").value=parseInt(n)-1; 
} 
//注册
function login(n){ 
for(var i=1;i<=4;i++){ 
var curB=document.getElementById("loninNav"+i); 
var curC=document.getElementById("loninDiv"+i); 
if(n==i){ 
curB.className="makeOutNavA";
curC.style.display='block';
}else{ 
curB.className="makeOutNavB";
curC.style.display='none';
} 
} 
} 
//市场注册
function loginsc(n){ 
for(var i=1;i<=4;i++){ 
var curB=document.getElementById("loninNav"+i); 
var curC=document.getElementById("loninDiv"+i); 
if(n==i){ 
curB.className="makeOutNavA";
curC.style.display='block';
}else{ 
curB.className="makeOutNavB";
curC.style.display='none';
} 
} 
} 


function CheckLogin()
{
    if(_$("username").value.length<4 || !isvalname(_$("username").value)){alert("请正确填写用户名");_$("username").focus();return false;}
    if(_$("password").value.length<6){alert("请填写密码");_$("password").focus();return false;}
    if(_$("rcode").value.length!=6){alert("请填写验证码");_$("rcode").focus();return false;}
}


function _$(o)
{
    return document.getElementById(o);
}

function isemail(address) 
{ 
var pattern = /^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$/; 
if(pattern.test(address)) 
{ return true;} 
else 
{ return false;} 
}
function isvalname(username)
{
    var pattern=/^[a-zA-Z0-9]{4,20}$/i;
    if(pattern.test(username))
    {return true;}
    else{return false;}
}
function ShowRCode()
{
   _$("MyCode").src="http://www.5jjdw.com/RCode.aspx?f=" + Math.random() ;
   _$("rcode").value="";
   _$("rcode").focus();
    return false;
}

function SysValue(v,o)
{
    _$(o).value=v;
}

function AddFavorite(title, url){ if (document.all) window.external.AddFavorite(url, title); else if (window.sidebar) window.sidebar.addPanel(title, url, "") }