function loginCheck(){
	if(checkIpt("loginForm #nickName","用户名") && checkIpt("loginForm #password","密码")){
		$("#loginForm").submit();
	}
	return false;
}
function checkIpt(ipt,remind){
var iptValue=$.trim($("#"+ipt).val());
if(iptValue==''){
	  alert('请填写'+remind+"！");
      return false;
}else{
	return true;
	}
}
function enterHandler(event)
{
 var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
 if (keyCode == 13) {
	 loginCheck();
 } 
} 
$(document).ready(function(){
	$("#loginForm #nickName").keydown(function(){enterHandler(event);});
	$("#loginForm #password").keydown(function(){enterHandler(event);});
});