$(document).ready(function() {
	$("div[@mpb*=true]").click(function(){

		$(".mpblocks_title_active").addClass("mpblocks_title_inactive");
		$(".mpblocks_title_active").removeClass("mpblocks_title_active");

		$(this).addClass("mpblocks_title_active");
		$(this).removeClass("mpblocks_title_inactive");

		$(".mpblocks_block_active").addClass("mpblocks_block_inactive");
		$(".mpblocks_block_active").removeClass("mpblocks_block_active");

		var id = '#' + $(this).attr("id") + "_block";

		$(id).removeClass("mpblocks_block_inactive");
		$(id).addClass("mpblocks_block_active");
	});
 });