var nametitle='请输入用户名。';
var profile_username_toolong = ' 字符不能少于15个字节';
var profile_username_tooshort = ' 字符不能少于3个字节';
var profile_username_illegal = ' 用户名包含敏感字符或被系统屏蔽，请重新填写。';
var keyuser = '检测中，请稍后。' ;
var keynums = '您输入的密码位数少于3个字符，请重新输入。' ;
var pkeyook = '密码格式正确，请继续' ;
var profile_passwd_illegal = ' 密码空或包含非法字符，请重新填写。';
var twopassok = '确认密码正确，请继续';
var profile_passwd_notmatch = ' 两次输入的密码不一致，请检查后重试。';
var profile_email_illegal = ' 请填写正确的电子邮件地址 ';
var emailok = '电子邮件地址正确，请继续' ;
var profile_seccode_invalid = ' 验证码为四位阿拉伯数字，请正确填写。';
var reg_1 = 0;	//用户名
var reg_2 = 0;	//密码
var reg_3 = 0;	//确认密码
var reg_4 = 0;	//邮件地址
var reg_5 = 0;	//验证码

function trim(str) {
	return str.replace(/^\s*(.*?)[\s\n]*$/g, '$1');
}

function setfocus(a){
	$s(a).className = "focus";
}

function setblur(a){
	$s(a).className = "blur";
}

function checkfocus(s) {
	var form = $s("sform");
	var uname = trim(form.uname.value);
	var unlen = uname.replace(/[^\x00-\xff]/g, "**").length;
	if(unlen < 3 || unlen > 20) {
		$s(s).innerHTML = (unlen < 3 ? profile_username_tooshort : profile_username_toolong);
		$s(s).className = 'fall';
		return false;
	}
	$.ajax({ 
		ifModified:true,
		type:"get", 
		url:"ajax.asp?checksubmit=yes&action=checkuName&uname="+uname, 
		data:"" , 
		success: function(result) {//$("#ukey").html(result);
			if (trim(result)=='true'){
				$s(s).innerHTML = '您输入的用户名'+uname+'可以使用，请继续填写其他选项。';
				$s(s).className = 'true';
			} else {
				$s(s).innerHTML = '您输入的用户名'+uname+'已被使用，请选择其他用户名。';
				$s(s).className = 'fall';
				return false;
			}
		}
	});
	reg_1 = 1;
}

function checkpass(s) {
	var form = $s("sform");
	var upass1 = trim(form.upass1.value);
	var unlen = upass1.replace(/[^\x00-\xff]/g, "**").length;
	if(unlen < 3 ) {
		$s(s).innerHTML = keynums ;
		$s(s).className = 'fall';
		return false;
	}
	if(upass1 == '' || /[\'\"\\]/.test(upass1)) {
		$s(s).innerHTML = profile_passwd_illegal;
		$s(s).className = 'fall';
		return false;
	} else {
		$s(s).innerHTML = pkeyook;
		$s(s).className = 'true';
	}
	reg_2 = 1;
}

function checkpass1(s) {
	var form = $s("sform");
	var upass1 = trim(form.upass1.value);
	var upass2 = trim(form.upass2.value);
	if(upass1 == '' || (s && upass2 == '')) {
		$s(s).className = 'fall';
		return false;
	}
	if(upass1 != upass2) {
		$s(s).innerHTML = profile_passwd_notmatch ;
		$s(s).className = 'fall';
		return false;
	} else {
		$s(s).innerHTML=twopassok ;
		$s(s).className = 'true';
	}
	reg_3 = 1;
}

function checkemail(s) {
	var form = $s("sform");
	var email = trim(form.email.value);
	if(!emailValidate(email)) {
		$s(s).innerHTML= profile_email_illegal ;
		$s(s).className = 'fall';
		return false;
	} else {
		$.ajax({ 
			ifModified:true,
			type:"get", 
			url:"ajax.asp?checksubmit=yes&action=checkemail&email="+email, 
			data:"" , 
			success: function(result) { //$("#emailkey").html(result); 
				if (trim(result)=='true'){
					$s(s).innerHTML = '您输入的邮件地址'+email+'可以使用。';
					$s(s).className = 'true';
				} else {
					$s(s).innerHTML ='您输入的邮件地址'+email+'错误或已经被其他用户使用，请选择其他用户名。';
					$s(s).className = 'fall';
					return false;
				}
			}
		});
	}
	reg_4 = 1;
}


function checkcode(s) {
	var form = $s("sform");
	var code = trim(form.code.value);
	if (code ==''){
		$s(s).innerHTML = '请填写验证码。' ;
		$s(s).className = 'fall';
		return false;
	};
	if (code.length!=4){
		$s(s).innerHTML = profile_seccode_invalid ;
		$s(s).className = 'fall';
		return false;	
	}
	$s(s).innerHTML = '验证码输入正确，请继续。';
	$s(s).className = 'true';
	//如果开启ajax验证，会导致session过期。提交后验证码会产生错误。
	//$.ajax({ 
		//ifModified:true,
		//type:"get", 
		//url:"ajax.asp?checksubmit=yes&action=checkseccode&seccodeverify="+code, 
		//data:"" , 
		//success: function(result) { //$("#emailkey").html(result); 
			//if (trim(result)=='true'){
				//$s(s).innerHTML = '验证码输入正确，请继续。';
				//$s(s).className = 'true';
			//} else {
				//$s(s).innerHTML = '请填写正确的验证码。';
				//$s(s).className = 'fall';
			//}
		//}
	//});	
	reg_5 = 1;
}

function validate(theform) {
	checkfocus('unameshow');
	checkpass('upass1show');
	checkpass1('upass2show');
	checkemail('emailshow');
	if(reg_1 == 0){
		return false;
	}else if(reg_2 == 0){
		return false;
	}else if(reg_3 == 0){
		return false;
	}else if(reg_4 ==0){
		return false;
	//}else if(reg_5 ==0){
		//return false;
	}else{
		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;
}