jQuery.fn.limit = function() {
	this.each(function() {
		var limit_length = $(this).attr("limit");
		var content = $(this).text();
		var length = content.length;
		if(length > limit_length) {
			$(this).attr("title", content);
			$(this).text(content.substring(0, limit_length - 1) + "...");
		}
	});
}