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