var $j = jQuery.noConflict();
// Use jQuery via $j(...)
$j(document).ready(function(){
     var COOKIE_NAME = 'Stephanisator-Hubbel'; 
     var COOKIE_VALUE = 'IstDeinerZuKlein';
     if ($j.cookie(COOKIE_NAME) != null) {
         $j("#header-wrapper").hide();
     }
	 $j('#btnToggle').click( function() {
		if ($j('#header-wrapper').css('display') == 'block' ) {
			$j.cookie(COOKIE_NAME, COOKIE_VALUE,  { path: '/', expires: 1 });
	    } else {
           $j.cookie(COOKIE_NAME, '', { expires: -1 });
        }
        if ($j.cookie(COOKIE_NAME) == null) {
        	$j("#header-wrapper").toggle("fast");
		} else {
			$j("#header-wrapper").hide();
		}
	});    
});