(function($){
	$(document).ready(
		function( )
		{
			$("a").each(
				function( i , elem )
				{
					if( $(elem).attr("target") == "_blank" )
					{
						$(elem).append( '<span class="external"><span>This link will take you to another site in an external window</span></span>' ) ;
					}
				}
			) ;
		}
	)
})(this.jQuery);