(function($) {
	$.fn.blink = function(options)

	{

		var defaults = { delay:500 };

		var options = $.extend(defaults, options);

		

		return this.each(function()

		{

			var obj = $(this);

			setInterval(function()

			{

				if($(obj).css("visibility") == "visible")

				{

					$(obj).css('visibility','hidden');

				}

				else

				{

					$(obj).css('visibility','visible');

				}

			}, options.delay);

		});

	}

}(jQuery))