html:

<form name="login" action="" method="post" accept-charset="utf-8" class="logowanie">
	<a href="rejestracja.html">Przypomnij hasło</a>
	<input type="text" name="login" placeholder="Login" required>
	<input type="password" name="password" placeholder="Hasło" required>
	<input type="submit" value="Zaloguj">
	<a href="#" class="nosticky">X</a> <- to to to :D
</form>

js:

jQuery(".nosticky").click(function(){
        if(jQuery(".user").hasClass("usersticky")) {
            jQuery(".user").removeClass("usersticky")
        } else {
            jQuery(".user").addClass("usersticky")
        }
    });

css:

.nosticky {
	padding-left: 10px;
}
.usersticky {
	position: absolute !important;
}