document.onkeydown = function(e) {
	e = e || window.event;
	if (e.keyCode == 13) {
		$('#changepwd_button').trigger('click');		
	}
};
$(function(){
	$("#account").focus();
	$("#msg").html("");
	$('#account').focus(function() {
		$("#msg").html("");
	});
	$('#oldpwd').focus(function() {
		$("#msg").html("");
		$("#changepwd_button").removeAttr("disabled");
	});
	$('#newpwd1').focus(function() {
		 $("#msg").html("");
	});
	$('#newpwd2').focus(function() {
		  $("#msg").html("");
	});
	$('#changepwd_button').click(function(){
		var account=$.trim($("#account").val());
		var oldpwd=$.trim($("#oldpwd").val());
		var newpwd1=$.trim($("#newpwd1").val());
		var newpwd2= $.trim($("#newpwd2").val());
		if(account.length==0 || account==""){
			$("#msg").html("请输入用户名!");
			return false;
		}else if(oldpwd.length==0 || oldpwd==""){
			$("#msg").html("请输入原密码!");
			return false;
		}else if(newpwd1.length==0 || newpwd1==""){
			$("#msg").html("请输入新密码!");
			return false;
		}else if(newpwd2.length==0 || newpwd2==""){
			$("#msg").html("请再次输入新密码!");
			return false;
		}else if(newpwd1!=newpwd2){
			$("#msg").html("两次输入的密码不一致!");
			return false;
		}else if(oldpwd==newpwd1){
			$("#msg").html("新密码不能与原密码相同!");
			return false;
		}else if(!checkNewPwd(newpwd1)){
			$("#msg").html("新密码至少8位,必须包含字母、数字、符号!");
			return false;
		}else{
			$("#changepwd_button").attr({disabled: "disabled"});
			$("#changepwd_button").val("正在提交...");
			$("#changepwd_button").removeClass();
			$("#changepwd_button").attr("class","changepwd_button_on");
	    $.ajax({
	    	url : '/yilisso/changepassword.do',
			data : {
				account:account,
				oldpwd:encodeURIComponent(oldpwd),
				newpwd:encodeURIComponent(newpwd1)
			},
			type : 'post',
			dataType : 'text',
			async : true,
			success : function(data){				
				 if (data == "Success") {
					 $("#changepwd_button").val("提  交");
					 $("#changepwd_button").removeClass();
					 $("#changepwd_button").attr("class", "changepwd_button");
					 $("#msg").attr("class", "msg_success");
					 $("#msg").html("密码修改成功!");
				}else {
					$("#changepwd_button").val("提  交");
					$("#changepwd_button").removeClass();
					$("#changepwd_button").attr("class", "changepwd_button");
					$("#changepwd_button").removeAttr("disabled");
				if (data == "None") {
					$("#msg").html("用户不存在!");
					return false;
				}else if (data == "Wrong") {
					$("#msg").html("原密码错误!");
					return false;
				}else if (data == "Disabled") {
					$("#msg").html("用户已禁用!");
					return false;
				}else if(data == "Locked"){
					$("#msg").html("用户已锁定!");
					return false;
				}else{
					$("#msg").html("修改密码失败,新密码不符合密码策略!");
					return false;
				  }
		 }
	},
		error : function() {
			$("#changepwd_button").val("提  交");
			$("#changepwd_button").removeClass();
			$("#changepwd_button").attr("class", "changepwd_button");
			$("#changepwd_button").removeAttr("disabled");
			$("#msg").html("系统异常!");
			return false;
	}	
   });
	}
});
});
    
	function checkNewPwd(value) {
		var flag = true;
		var upper = new RegExp(/[A-Z]/);
		var lower = new RegExp(/[a-z]/);
		var number = new RegExp(/\d/);
		var sign = new RegExp(/\W/);
		var sign1 = new RegExp(/\_/);
	    var length = value.length;
		if (length < 8) {
			flag = false;
			return flag;
		}
		if (!(upper.test(value) || lower.test(value))) {
			flag = false;
			return flag;
		}
		if (!number.test(value)) {
			flag = false;
			return flag;
		}
		if (!(sign.test(value)||sign1.test(value))) {
			flag = false;
			return flag;
		}
		return flag;
	}