输入异常提示信息在文本框下显示

<label id="emailAddressDefault" for="emailAddress" style="height:27px;font-weight:normal;padding-left:8px;width:230px;background:#fff;position:absolute;top:1px;left:1px;line-height:27px;color:#a2a2a2;" onclick="$(this).hide();">订阅中大奖，请输入您的Email</label>                	<div id="emailAddressErr" style="display:none;height:27px;font-weight:normal;padding-left:8px;width:232px;background:#fff;position:absolute;top:1px;left:1px;line-height:27px;color:red">请输入正确的E-mail地址</div>                    <input name="emailAddress" id="emailAddress" type="text" onblur="if(!$(this).val())$('#emailAddressDefault').show();" onfocus="$('#emailAddressDefault').hide();" value=""/>                    <a  id="submitBtn" href="javascript:void(0)" title="订阅"></a>

$(document).ready(function(){        $("#submitBtn").bind("click", function(){		    if(!checkEmail($("#emailAddress").val()))		    {		    	  			      $("#emailAddressErr")("请输入正确的E-mail地址");			      $("#emailAddressErr").show('slow');			      setTimeout(function(){			      	$("#emailAddressErr").hide('slow');			      	$("#emailAddress").focus();			      },3000)			      			      return;		    }		    $.ajax({				   type: "POST",				   async:false,				   url: url['wcsurl'] + "SubscribeCmd?"+url['parms']+"&channel_type=2&_emailAddress="+$("#emailAddress").val()+"&_mobile="+''+"&jsoncallback=?&timeStamp=" + (new Date().getTime()),				   dataType: "jsonp", 				   timeout:60000,  				   success: function(s_json){				   					   	   					     if(typeof s_json.result === 'undefined'){					          $("#emailAddressErr").show('slow');					          $("#emailAddressErr")("系统繁忙，请稍后再试");							      setTimeout(function(){							      	$("#emailAddressErr").hide('slow');							      	$("#emailAddress").focus();							      	},3000)							      					   	 }else{					          $("#emailAddressErr").show('slow');					          $("#emailAddressErr")(s_json.result);							      setTimeout(function(){							      $("#emailAddressErr").hide('slow');							      $("#emailAddress").focus();							      	},3000)					     }					 },					 error: function(s_json){					 	  					     if(typeof s_json.result === 'undefined'){					          $("#emailAddressErr").show('slow');					          $("#emailAddressErr")("系统繁忙，请稍后再试");							      setTimeout(function(){							      	$("#emailAddressErr").hide('slow');							      	$("#emailAddress").focus();							      	},3000)					   	 }else{					         $("#emailAddressErr").show('slow');					         $("#emailAddressErr")(s_json.result);							     setTimeout(function(){							      	$("#emailAddressErr").hide('slow');							      	$("#emailAddress").focus();							      	},3000)					     }					 }		    });			});});function checkEmail(email){   re = /^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$/;   if (!re.test(email)){     return false;   }   return true;}