function refreshimg() {
	$("#captchaimage").load('/userCenter.do?method=imageReq&radom='+Date.parse(new Date()));
	return false;
}

$(document).ready(function() {
	/**
	 * 登录用
	 */
	$("#loginForm").validate( {
		focusInvalid: false,   
		   onkeyup: false ,
		   focusCleanup : true,
		rules : {
			userName : {
				required : true,
				checkUTF8StringMinLength : 3,
				remote : "/userCenter.do?method=validateUserName&isLoginFlag=true"
			},
			password : {
				required : true,
				minlength : 5
			},
			captcha : {
				required : true,
				remote : "/userCenter.do?method=validateImage"
			}
		},
		errorElement : "div",
		wrapper : "div",
		errorPlacement : function(error, element) {
			offset = element.offset();
			error.insertBefore(element);
			error.addClass('message');
			error.css('position', 'absolute');
			error.css('left', offset.left + element.outerWidth());
			error.css('top', offset.top);
		}
	});
	/**
	 * 注册用
	 */
	$("#registerForm").validate( {
		rules : {
			userName : {
				required : true,
				checkUTF8StringMinLength : 3,
				checkUTF8StringLength:15,
				remote : "/userCenter.do?method=validateUserName"
			},
			password : {
				required : true,
				minlength : 5
			},
			password_confirm : {
				required : true,
				minlength : 5,
				equalTo : "#password"
			},
			email : {
				required : true,
				email : true,
				remote : "/userCenter.do?method=validateEmail"
			},
			captcha : {
				required : true,
				remote : "/userCenter.do?method=validateImage"
			}
		},
		messages : {
			userName : {
				remote : "该用户名已被注册或使用了特殊字符"
			},
			email : {
				remote : "该邮箱已被注册"
			}
		},
		errorElement : "div",
		wrapper : "div",
		errorPlacement : function(error, element) {
			offset = element.offset();
			error.insertBefore(element);
			error.addClass('message');
			error.css('position', 'absolute');
			error.css('left', offset.left + element.outerWidth());
			error.css('top', offset.top);
		}
	});
	$("#refreshimg").click(function() {
		$("#captchaimage").load('/userCenter.do?method=imageReq&radom='+Date.parse(new Date()));
		return false;
	});
});