// we override these methods only for one particular head element
// default methods for other elements are not affected
var head = $('head')[0];
var insertBefore = head.insertBefore;
head.insertBefore = function (newElement, referenceElement) {
if (!isGoogleFont(newElement)) {
insertBefore.call(head, newElement, referenceElement);
}
};
var appendChild = head.appendChild;
head.appendChild = function (textNode) {
if (!isGoogleFont($(textNode)[0])) {
appendChild.call(head, textNode);
}
};
})(jQuery);
