css - jQuery .show() only works for a split second -

-

i have div

    <div id="fade_bg">         <div id="login_div">             <form action="../classes/login/authenticator.php" method="post">                 <p>username: <input type="text" name="username" /></p>                 <p>password: <input type="password" name="password" /></p>                 <p><input type="submit" name="login" /></p>             </form>             <p><a id="cancel" href="#">cancel</a>         </div>     </div>

that want show when

<a id="login" href="">admin login</a>

is clicked. used 

        $(function() {              $('a#login').click(function() {                 $('#fade_bg').show();                 $('#login').hide();             });              $('a#cancel').click(function() {                 $('#fade_bg').hide();                 $('#login').show();             });         });

however, when click link, div want appear appears split second, returns normal if clicked cancel button. why happening?

edit: no errors on js debugger console.

try this:

$('#login').click(function (e) {     e.preventdefault();     $('#fade_bg').show();     $(this).hide(); });  $('#cancel').click(function (e) {     e.preventdefault();     $('#fade_bg').hide();     $('#login').show(); });

demo here


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