function gel(a){
	return document.getElementById?document.getElementById(a):null;
}
function gelstn(a){
	return document.getElementsByTagName?document.getElementsByTagName(a):new Array();
}
function geln(a){
	return document.getElementsByName?document.getElementsByName(a):new Array();
}
function $(a){
	document.write(a);
}
function setfocus(a){
	gel(a).className = "focus";
	gel(a).innerHTML = msg[a];
}
function setblur(a){
	gel(a).className = "blur";
}
function fIsNumber (sV,sR) {
	var sTmp;
	if(sV.length==0){ return (false);}
	for (var i=0; i < sV.length; i++){
		sTmp= sV.substring (i, i+1);
		if (sR.indexOf (sTmp, 0)==-1) {return (false);}
	}
	return (true);
}

function emailValidate(emailStr) {

	var checkTLD=1;
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum|mobi)$/;
	var emailPat=/^(.+)@(.+)$/;
	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	var matchArray=emailStr.match(emailPat);

	if (matchArray==null) {
		return false;
	}

	var user=matchArray[1];
	var domain=matchArray[2];

	for (i=0; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {
			return false;
		}
	}

	for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {
			return false;
		}
	}

	if (user.match(userPat)==null) {
		return false;
	}


	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
	// this is an IP address
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
				return false;
			}
		}
		return true;
	}

	// Domain is symbolic name.  Check if it's valid.
	 
	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) {
		if (domArr[i].search(atomPat)==-1) {
			return false;
		}
	}


	if (checkTLD && domArr[domArr.length-1].length!=2 && domArr[domArr.length-1].search(knownDomsPat)==-1) {
		return false;
	}

	if (len<2) {
		return false;
	}

	return true;
}

function changePic() {
	gel('serialImg').src = requestLoading.domain + 'index.php?action=getImage&v=' + Math.random();
}

var checkForm = {
	checkUser : false,
	checkPass : false,
	checkRePass : false,
	checkMail : false,
	checkUsername : function (serv) {
		this.checkUser = true;
		var message = '';
		var name = gel('regform').username.value;
		if(name == "") {
			message = "请输入用户名！";
			gel('nameFocus').innerHTML = '<b>' + message + '</b>';
			gel('nameStyle').className = "alert";
			this.checkUser = false;
		}
		if(name.length < 5 || name.length > 20) {
			message = "用户名长度为5-20个字符，请重新输入用户名";
			gel('nameFocus').innerHTML = '<b>' + message + '</b>';
			gel('nameStyle').className = "alert";
			this.checkUser = false;
		}
		if(fIsNumber(name.charAt(0), "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ") != 1){
			message = "用户名输入错误，请以字母开头";
			gel('nameFocus').innerHTML = '<b>' + message + '</b>';
			gel('nameStyle').className = "alert";
			this.checkUser = false;
		}
		if(fIsNumber(name, "1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-") != 1){
			message = "用户名应该是数字、字母、下划线、连字符号";
			gel('nameFocus').innerHTML = '<b>' + message + '</b>';
			gel('nameStyle').className = "alert";
			this.checkUser = false;
		}
		var data = {result : this.checkUser, message : message};
		if(serv) {
			this.checkUserFromServer(name);
		} else {
			this.checkUserReturn(data);
		}
		//this.checkUserFromServer(name);
	},
	checkUserFromServer : function(name) {
		var paramArr = {};
		paramArr['action'] = 'register';
		paramArr['do'] = 'checkUser';
		paramArr['user'] = name;
		paramArr['backFunc'] = 'checkForm.checkUserReturn';
		requestLoading.listLoading(paramArr);
	},
	checkUserReturn : function(data) {
		if(data.result) {
			gel('nameStyle').className = "true";
		} else {
			gel('nameFocus').innerHTML = '<b>' + data.message + '</b>';
			gel('nameStyle').className = "alert";
		}
	},
	checkPassword : function() {
		this.checkPass = true;
		var pass = gel('regform').password.value;
		if(pass == "") {
			message = "请输入密码！";
			gel('passFocus').innerHTML = '<b>' + message + '</b>';
			gel('passStyle').className = "alert";
			this.checkPass = false;
		}
		if(pass.length < 6 || pass.length > 20) {
			message = "密码长度为6-20个字符，请重新输入密码";
			gel('passFocus').innerHTML = '<b>' + message + '</b>';
			gel('passStyle').className = "alert";
			this.checkPass = false;
		}
		if(fIsNumber(pass, "1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ") != 1){
			message = "密码应该是数字和字母，请重新输入密码！";
			gel('passFocus').innerHTML = '<b>' + message + '</b>';
			gel('passStyle').className = "alert";
			this.checkUser = false;
		}
		if(this.checkPass) {
			gel('passStyle').className = "true";
		}
	},
	checkRePassword : function() {
		this.checkRePass = true;
		var pass = gel('regform').password.value;
		var repass = gel('regform').password2.value;
		if(pass != repass) {
			this.checkRePass = false;
			message = '输入的密码与上面不一致';
			gel('repassFocus').innerHTML = '<b>' + message + '</b>';
			gel('repassStyle').className = "alert";
		} else {
			gel('repassStyle').className = "true";
		}
	},
	checkEmail : function(serv) {
		var message = '';
		if(gel('regform').email.value) {
			this.checkMail = true;
			var mail = gel('regform').email.value;
			if(!emailValidate(mail)) {
				message = '请填写正确的邮箱地址';
				gel('mailFocus').innerHTML = '<b>' + message + '</b>';
				gel('mailStyle').className = "alert";
				this.checkMail = false;
			} 
		} else {
			message = '请填写邮箱地址';
			gel('mailFocus').innerHTML = '<b>' + message + '</b>';
			gel('mailStyle').className = "alert";
			this.checkMail = false;
		}
		var data = {result : this.checkMail, message : message};
		if(serv) {
			this.checkMailFromServer(mail);
		} else {
			this.checkMailReturn(data);
		}
	},
	checkMailFromServer : function(email) {
		var paramArr = {};
		paramArr['action'] = 'register';
		paramArr['do'] = 'checkEmail';
		paramArr['email'] = email;
		paramArr['backFunc'] = 'checkForm.checkMailReturn';
		requestLoading.listLoading(paramArr);
	},
	checkMailReturn : function(data) {
		if(data.result) {
			gel('mailStyle').className = "true";
		} else {
			gel('mailFocus').innerHTML = '<b>' + data.message + (typeof _ael!="undefined"?_ael:'')+'</b>';
			gel('mailStyle').className = "alert";
		}
	},
	submitForm : function() {
		var checkSex = false;
		this.checkUsername();
		if(!this.checkUser) {
			//window.location = '#nameStyle';
			return false;
		}
		this.checkPassword();
		if(!this.checkPass) {
			//window.location = '#passStyle';
			return false;
		}
		this.checkRePassword();
		if(!this.checkRePass) {
			//window.location = '#repassStyle';
			return false;
		}
		this.checkEmail();
		if(!this.checkMail) {
			//window.location = '#mailStyle';
			return false;
		}
		/*for(i = 0;i < gel('regform').sex.length;i++) {
			if(gel('regform').sex[i].checked) {
				checkSex = true;
				break;
			}
		}
		if(!checkSex) {
			gel('sexFocus').innerHTML = '<b>请选择性别</b>';
			gel('sexStyle').className = "alert";
			//window.location = '#sexStyle';
			return false;
		} else {
			gel('sexFocus').innerHTML = '';
			gel('sexStyle').className = "true";
		}
		if(!gel('regform').birthdate || !gel('regform').birthdate.value) {
			gel('birthFocus').innerHTML = '<b>请选择出生年月日</b>';
			gel('birthStyle').className = "alert";
			//window.location = '#birthStyle';
			return false;
		} else {
			gel('birthFocus').innerHTML = '';
			gel('birthStyle').className = "true";
		}
		if(!gel('regform').area || !gel('regform').area.value) {
			gel('areaFocus').innerHTML = '<b>请选择所在地</b>';
			gel('areaStyle').className = "alert";
			//window.location = '#areaStyle';
			return false;
		} else {
			gel('areaFocus').innerHTML = '';
			gel('areaStyle').className = "true";
		}*/
		if(!gel('regform').serialNum.value) {
			gel('serialFocus').innerHTML = '<b>请填写验证码</b>';
			gel('serialStyle').className = "alert";
			//window.location = '#areaStyle';
			return false;
		} else {
			gel('serialFocus').innerHTML = '';
			gel('serialStyle').className = "true";
		}
		if(!gel('regform').license.checked) {
			alert('不同意我乐服务条款，无法提交');
			return false;
		}
		gel('regform').submit();
	},
	isOther : function(val, chk) {
		if(val.value == 'other') {
			val.style.display = 'none';
			document.getElementById('eMailDomainId').style.display = '';
		} else {
			if(chk) this.checkEmail();
		}
	}
}