function getCookie(str) {
	var tmp, reg = new RegExp("(^| )" + str + "=([^;]*)(;|$)", "gi");
	
	if (tmp = reg.exec(document.cookie)) {
		return (unescape(tmp[2]));
	}
	return null;
}
	
function login_check(form)
{
		
  var str = Trim(form.username.value);

   if ( str == "" || str.length == 0) 
   {   
       alert('用户名不能为空');
       return false;
   }
   if (form.password.value == ""){
       alert('密码不能为空');
       return false;
   }    
   if (form.password.value.length < 1){
       str='密码长度不能少于1';
       return false;
   }  
  form.submit();
  return true;
}

function LTrim(str) {
	var whitespace = new String("\t\n \u3000");
	var s = new String(str);
	if (whitespace.indexOf(s.charAt(0)) != -1) {
		var j = 0, i = s.length;
		while (j < i && whitespace.indexOf(s.charAt(j)) != -1) {
			j++;
		}
		s = s.substring(j, i);
	}
	return s;
}
function RTrim(str) {
	var whitespace = new String("\t\n \u3000");
	var s = new String(str);
	if (whitespace.indexOf(s.charAt(s.length - 1)) != -1) {
		var i = s.length - 1;
		while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1) {
			i--;
		}
		s = s.substring(0, i + 1);
	}
	return s;
}
function Trim(str) {
	return RTrim(LTrim(str));
}

function exitok(form){
if(confirm("确认退出？")){
  form.submit();
 }
}

function exitokmycenter(){
if(confirm("确认退出？")){
  document.location = "http://r.baobao.china.com/user/LoginAction.do?loginflag=102";
 }
}

function register() { 
    window.location.href="http://passport.china.com/logon.do?processID=register1&domain="+window.location;
}

function showtheinfoarea()
{
  		var user=getCookie("CP_USER");
		if(user!=null&&user != "")
		{
			showLogin ();			
		}
		else
		{
			showinfoarea();
		}		
}