$(document).ready(function(){
    $("body").keydown(function(){if(event.keyCode == 13){$("#button_login").click();}});
	$("#button_login").click(function(){ 
	    if($("#j_username").val() == null || $("#j_username").val() == ""){
	        alert("\u8BF7\u60A8\u8F93\u5165\u7528\u6237\u540D\uFF01");
	        $("#j_username").focus();
	    }
	    else if($("#j_password").val() == null || $("#j_password").val() == ""){
	        alert("\u8BF7\u60A8\u8F93\u5165\u5BC6\u7801\uFF01");
	        $("#j_password").focus();
	    }
	    else if($("#j_verifycode").val() == null || $("#j_verifycode").val() == ""){
	         alert("\u8BF7\u60A8\u8F93\u5165\u9A8C\u8BC1\u7801\uFF01");
	         $("#j_verifycode").focus();
	    }
	    else{
	        var now = new Date();
			$.getJSON('ajaxVerifyCodeValidate.json?key=' + now.getTime(),{    
			   j_verifycode: $("#j_verifycode").val()  
			},function(json){
				var result="";
				$.each(json, function(key, value){
				result += value;
				})    
				if(result != 'true'){
				    alert('\u9A8C\u8BC1\u7801\u9519\u8BEF\uFF01');
				    var now = new Date();
				    $("#img_verifyCode").attr("src","/verifyCode?key=" + now.getTime())
				    $("#j_verifycode").attr("value","");
				    $("#j_verifycode").focus();
				}
				else{
				    var now = new Date();
					$.getJSON('ajaxPasswordValidate.json?key=' + now.getTime(),{    
							   j_verifycode: $("#j_verifycode").val(),j_username:$("#j_username").val(),j_password:$("#j_password").val()  
							},function(json){
								var result="";
								$.each(json, function(key, value){
									result += value;
								})    
								if(result != 'true'){
								    alert('\u7528\u6237\u540D\u6216\u5BC6\u7801\u9519\u8BEF\uFF01');
								    var now = new Date();
								    $("#img_verifyCode").attr("src","/verifyCode?key=" + now.getTime())
								    $("#j_verifycode").attr("value","");
								    $("#j_password").attr("value","");
								    $("#j_password").focus();
								}
								else{
								    $("#form_portal_Login").submit();
								};
					        }); 
				};
	        }); 
        }
	});
})