//以下登陆验证
function Trim(str) {
	return str.replace(/(^\s*)|(\s*$)/g, "");
}
function $(str) {
	return document.getElementById(str);
}

function checkemail(thisform)
{
	if ("" == Trim(thisform.GRZLusername.value)) {
		alert("请输入邮件地址")
		return false
	}
	var email = Trim(thisform.GRZLusername.value)
	var myReg = /^[_\.a-z0-9]+@([_a-z0-9]+\.)+[a-z0-9]{2,3}$/
	if(!myReg.test(email)){
		alert("邮箱格式错误,请输入正确的邮箱")
		thisform.GRZLusername.focus()
		return false
	}
	else{
		return true
	}
}


function checkPwd(thisform) {
	var _pwd = Trim(thisform.GRZLpassword.value);
	var _pat = /[\w!@#$%^&*()\[\]\{\}\,\.<>\/?]{6,20}/g;
	if (_pwd.length == 0) {
		var msg = "密码不能为空，英文字母、符号或数字都可以，6位以上。";
		alert(msg);
		thisform.GRZLpassword.focus()
		return false;
	} else if (_pwd.match(_pat) == null) {
		var msg = "长度在6到20个字符，英文字母、符号或数字都可以。";
		alert(msg);
		thisform.GRZLpassword.focus()
		return false;
	}
	return true;
}

function checkForm(thisform) {
	if(!checkemail(thisform)){
		return false
	}
	if(!checkPwd(thisform)){
		return false;
	}
	//return true;
	thisform.submit();
}