function G(id){
    return document.getElementById(id);
};
function GC(t){
   return document.createElement(t);
};
String.prototype.trim = function(){
          return this.replace(/(^\s*)|(\s*$)/g, '');
};
function isIE(){
      return (document.all && window.ActiveXObject && !window.opera) ? true : false;
} 
     var loginDivWidth = 300;
/*var sign_in_flow = '<div style="background:#FF9900;font-size:16px;height:28px;padding-top: 8px;font-weight: bold;">用 户 登 录</div><form id="form" name="form" method="post" action="/login.asp" onSubmit="return checkdata()"><div id="loginformt"><ul><li><span>用户名:</span>  <span>'
       + '<input type="text" id="username" name="username" maxlength="20" size="20" class="lformt" /></span></li>'
       + '<li><span>密　码:</span>  <span><input type="password" id="passowrd" name="password" maxlength="20" size="20" class="lformt" /></span></li>'
        + '<li class="lognibutton"><input type="submit" value="登录" id="sign_button"/>   　'
        + '   <input type="button" value="取消" onclick="cancelSign();"/></li>'
        + '<li><p><a href="http://reg.yoao.com" target="_blank">免费注册</a>   '
        + 'or   <a href="http://reg.yoao.com/RecoverPassword.html" target="_blank">忘记密码？</a></p></li></ul></div></form>';*/
		var sign_in_flow='<div id="enter3"><ul><form id="form" name="form" method="post" action="/login.asp" onSubmit="return checkdata()"><li><span class="entertitle3">用户登录</span><a href="/help.html" target="_blank"><b>帮助</b> </a><a href="#" onclick="cancelSign();"><img src="/images/enter_close.gif" alt="关闭窗口" width="7" height="8" /></a></li><li>　　用户名：<span class="select_name3"><input name="username" id="username" size="20" maxlength="20" /></span></li><li>　　密　码：<span class="select_name3"><input name="password" type="password" id="password" size="20" maxlength="20" /></span><a href="http://reg.yoao.com/RecoverPassword.html"> 忘记密码</a></li><li>　　　　　　<input class="button_next3" onclick="flag=true;" type="submit" value="登 录" name="submit" />　　<input class="button_next3" type="button" value="取　消" name="submit" onclick="cancelSign();" /></li><li><b>还没有第一成功网帐号？</b></li><li class="enterreg3"><input class="button_next3" type="button" value="马上注册" name="submit" onclick="javascript:window.open(\'http://reg.yoao.com\');" /></li><li>·<a href="http://2008.yoao.com" target="_blank">游傲中国行门票免费申请</a>　　·<a href="http://www.yoao.org" target="_blank">VIP会员视频任意下载</a></li></form></ul></div>';



function checkdata() {
	if( form.username.value.length<2 || form.username.value.length>18 ) {
	alert("\请输入正确的游傲通行证用户名 !!")
	document.form.username.focus();
	return false;
	}
	if( form.password.value.length<6 || form.password.value.length>16 ) {
	alert("\请您输入正确的登录密码 !!")
	document.form.password.focus();
	return false;
	}
}


function loadSignInFlow(){
   G("sign_div").innerHTML = sign_in_flow;
    G("sign_email").focus();
};
var sign_up_flow = '<div style="background:#CCFF00;">Create New Account</div><div>e-mail:*</div><div>'
       + '<input type="text" id="sign_email" maxlength="64" size="30"/>'
       + '</div><div>password:*</div><div><input type="password" id="sign_pwd" size="30"/>'
        + '</div><div>password again:*</div><div><input type="password" id="sign_repwd" size="30"/>'
        + '</div><div><input type="button" value="creat account" onclick="signFlow(0);" id="sign_button"/> '
        + ' <input type="button" value="cancel" onclick="cancelSign();"/></div>'
        + '<p><a href="javascript:loadSignInFlow();">login</a></p>';
function loadSignUpFlow(){
   G("sign_div").innerHTML = sign_up_flow;
    G("sign_email").focus();
};
function cancelSign(){
    G("sign_div").style.display = 'none';
    G("cover_div").style.display = 'none';
   document.body.style.overflow = '';
};
var forget_pwd_flow = '<div style="background:#FF99FF;">Forget Password</div><div>e-mail:*</div><div>'
       + '<input type="text" id="sign_email" maxlength="64" size="30"/>'
        + '</div><div><input type="button" value="sent pwd to e_mail" onclick="signFlow(2);" id="sign_button"/>   '
        + '   <input type="button" value="cancel" onclick="cancelSign();"/></div>';
function loadForgetPwdFlow(){
   G("sign_div").innerHTML = forget_pwd_flow;
    G("sign_email").focus();
};
function checkEmail(){
   if((G("sign_email").value.indexOf('@')<=0)||(G("sign_email").value.indexOf('.')<=0)){
    return '<div style="color:#FF0000";">Sorry, unrecognized e_mail.</div>';
   }
   return '';
}
function checkPwd(){
   if(G("sign_pwd").value.trim() == ''){
    return '<div style="color:#FF0000";">Password field is required.</div>';
   }
   return '';
}
function checkRePwd(){
   if(G("sign_pwd").value.trim() != G("sign_repwd").value.trim()){
    return '<div style="color:#FF0000";">The specified passwords do not match.</div>';
   }
   return '';
}
function signFlow(isSignIn){
    var error = checkEmail();
    var htmlText = null;
    if (isSignIn == 1) {
     if (error == ''){
      error = checkPwd();
     }
     htmlText = sign_in_flow;
    } else if (isSignIn == 0) {
     if (error == ''){
      error = checkPwd();
      if (error == ''){
       error = checkRePwd();
      }
     }
     htmlText = sign_up_flow;
    } else if (isSignIn == 2) {
    htmlText = forget_pwd_flow;
    }
    var eMailValue = G("sign_email").value.trim();
   if (error == '') {
    } else {
    G("sign_div").innerHTML = error + htmlText;
    G("sign_email").value = eMailValue; 
    }
};
function popCoverDiv(){
   if (G("cover_div")) {
    G("cover_div").style.display = '';
   } else {
    var coverDiv = GC('div');
    document.body.appendChild(coverDiv);
    coverDiv.id = 'cover_div';
    with(coverDiv.style) {
     position = 'absolute';
     background = '#CCCCCC';
     left = '0px';
     top = '0px';
     var bodySize = getBodySize();
     width = bodySize[0] + 'px'
     height = bodySize[1] + 'px';
     zIndex = 98;
     if (isIE()) {
      filter = "Alpha(Opacity=60)";
     } else {
      opacity = 0.6;
     }
    }
   }
}
function getBodySize(){
   var bodySize = [];
   with(document.documentElement) {
    bodySize[0] = (scrollWidth>clientWidth)?scrollWidth:clientWidth;
    bodySize[1] = (scrollHeight>clientHeight)?scrollHeight:clientHeight;
   }
   return bodySize;
} 
function popSign(isLogin){
   if (G("sign_div")) {
    G("sign_div").style.display = '';
   } else {
    var signDiv = GC('div');
    document.body.appendChild(signDiv);
    signDiv.id = 'sign_div';
    signDiv.align = "center";
    signDiv.onkeypress = function(evt){
          var e = window.event?window.event:evt;
          if (e.keyCode==13 || e.which==13) {
           if (G("sign_button")) {
            G("sign_div").focus();
            G("sign_button").click();
           }
          }
         };
    with (signDiv.style) {
     position = 'absolute';
     left = (document.documentElement.clientWidth - loginDivWidth)/2 + 'px';
     top = (document.documentElement.clientHeight - 300)/2 + 'px';
     width = loginDivWidth + 'px';
     zIndex = 99;
     background = '#FFFFFF';
     border = '#cccccc solid 1px';
    }
   }
   if(isLogin) {
    G("sign_div").innerHTML = sign_in_flow;
   } else {
    G("sign_div").innerHTML = change_pwd_flow;
   }
  
}
function popSignFlow(isLogin) {
   popCoverDiv();  
   popSign(isLogin);  
   document.body.style.overflow = "hidden";
     
      if(isLogin) {
       G("sign_email").focus();
      } else {
       G("old_pwd").focus();
      }
}
function changePwd(){
    var error = checkOldPwd();
    if (error == ''){
     error = checkPwd();
    }
   if (error == ''){
    error = checkRePwd();
   }

    var oldPwd = G("old_pwd").value.trim();
    var newPwd = G("sign_pwd").value.trim();
   if (error == '') {
     var url = basePath + "?q=tripuser/tripuser_change_pwd_ajax/" + oldPwd + "/" + newPwd;
     exeRequest(url, getSignText, null);
    } else {
    G("sign_div").innerHTML = error + change_pwd_flow;
    }
};
function checkOldPwd(){
   if(G("old_pwd").value.trim() == ''){
    return '<div style="color:#FF0000";">Old Password field is required.</div>';
   }
   return '';
}
var change_pwd_flow = '<div style="background:#33FFFF;">Change Your Password</div><div>old password:*</div><div>'
       + '<input type="password" id="old_pwd" size="30"/>'
       + '</div><div>new password:*</div><div><input type="password" id="sign_pwd" size="30"/>'
        + '</div><div>new password again:*</div><div><input type="password" id="sign_repwd" size="30"/>'
        + '</div><div><input type="button" value="change password" onclick="changePwd();" id="sign_button"/> '
        + ' <input type="button" value="cancel" onclick="cancelSign();"/></div>';