(function ($){ 
'$:nomunge'; 
$.extend($.expr[":"] , { 
attached: attached,
detached: function (elem){ 
return !attached(elem); 
} 
}
); 
function attached(elem){ 
var contains = $.contains, documentElement = document.documentElement; 
if (contains) { 
return contains(documentElement, elem); 
} 
while (elem = elem.parentNode){ 
if (elem === documentElement) { 
return true ; 
} 
} 
return false ; 
} 
; 
} 
)(jQuery);