Requires jquery

blink-element.js

(function($) {
  $.fn.blink = function(duration) {
	// check specifically for display => works with svg elements
	var hidden = $(this).css("display") == "none" || $(this).is(":hidden");
	if (hidden) {
		var self = this.show();
		setTimeout(function() {
			self.hide();
	    }, duration);
	}
  };
})( jQuery );