/* 获取Cookie */
function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=")
  if (c_start!=-1)
    { 
    c_start=c_start + c_name.length+1 
    c_end=document.cookie.indexOf(";",c_start)
    if (c_end==-1) c_end=document.cookie.length
    return unescape(document.cookie.substring(c_start,c_end))
    } 
  }
return ""
}

/* 设置Cookie */
function setCookie(c_name,value,expiredays)
{
var exdate=new Date()
exdate.setDate(exdate.getDate()+expiredays)
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toGMTString())+";domain=tgbus.com";
}


/* 初始化设置  */

function initcookie(){

username=getCookie('yourname')
if (username!=null && username!=""){
	document.getElementById('forever').checked = true;
	document.getElementById('username').value = username;
} else {
	document.getElementById('forever').checked = true;
	document.getElementById('username').value = '';
  }

}





function checkCookie(act,value)
{
  if(act){
			setCookie('yourname',value,1);
		 }
  else
		 {
			DelCookie('yourname');
		 }
	
 
 }

function dosubmit(fm){
	if (login_check())
	{
		fm.submit();
	}
}

function login_check(){
	if(document.getElementById('forever').checked == true){
		var cval = document.getElementById('username').value;
		checkCookie(1,cval);
	}
	else
	{	
		var cval = false;
		checkCookie(0,cval);
	}

}

function   DelCookie(name)
/*   删除Cookie  */
{
var   exp   =   new   Date();
exp.setTime   (exp.getTime()   -   1000);
var   cval   =   getCookie(name);
document.cookie   =   name   +   "="   +   cval   +   ";   expires="+   exp.toGMTString() + ";domain=tgbus.com";
}


function savepasswd(pass){
	var username = document.getElementById('username').value;	
	if(pass == '' || username.length == 0) return;
	else
	{
	  document.getElementById('password').value = pass;
	  return;
	}

}

function check_lostpasswd(){

		var formobj = document.lostpasswd;
		if( formobj.username.value.length == 0 || formobj.email.value.length == 0 )
			{
				alert('请输入用户名和邮箱地址！');
				return false;
				
			}
		if ( formobj.seccode.value.length == 0 )
			{
				alert('请输入验证码');
				return false;
			}
		else
			return true;

}


function check_resetpasswd(){


			var formobj = document.resetpasswd;
			if( formobj.password.value.length == 0 || formobj.password2.value.length == 0 )
				{
					alert('请输入密码！');
					return false;
							
				}
			if( formobj.password.value.length < 6 || formobj.password2.value.length < 6  )
				{
					alert('密码不能小于6位！');
					return false;
							
				}
			if( formobj.password.value != formobj.password2.value )
				{
					alert('两次密码不一致！');
					return false;
							
				}

			
			if ( formobj.seccode.value.length == 0 )
				{
					alert('请输入验证码');
					return false;
				}
			else
				return true;



}


function lostpasswd_back(result){

		return;


}


function modify_chk(){

var obj = document.getElementById('oldpassword');
	
if(obj.value.length == 0)
	{
		alert('请输入密码!');
		return false;
	}else {
				return true;
		  }
}