jQueryでBlink

参考にさせていただいたサイト
jQuery Blink Plugin | www.antiyes.com
http://www.antiyes.com/jquery-blink-plugin

(function($){ 
	$.fn.blink = function(options){ 
		var defaults = { 
			delay: 500 
		}; 
		var options = $.extend(defaults, options); 
		return this.each(function(){ 
			var obj = $(this); 
			obj.delay = options.delay; 
			setInterval(function(){ 
					if (obj.css("visibility") == "visible") { 
						obj.css('visibility', 'hidden'); 
					} 
					else { 
						obj.css('visibility', 'visible'); 
					} 
				}, obj.delay); 
		}); 
	} 
}(jQuery));