$(document).ready(function() {
	$(".category_image").mouseenter( function() {
		// console.log(this);
		var newSrc = $(this).attr('src').replace(/OFF/, "ON");
		$(this).attr('src', newSrc);
	});

	$(".category_image").mouseleave( function() {
		var newSrc = $(this).attr('src').replace(/ON/, "OFF");
		$(this).attr('src', newSrc);
	});
});