// JavaScript Document
	$(document).ready(function(){
		$(".nav").children("li").each(function() {
			var current = "nav current-" + ($(this).attr("class"));
			var parentClass = $(".nav").attr("class");
			if (parentClass != current) {
				$(this).children("a").css({backgroundImage:"none"});
			}
		});	
		attachNavEvents(".nav", "opinion");
		attachNavEvents(".nav", "participa");
		attachNavEvents(".nav", "agenda");
		attachNavEvents(".nav", "colabora");
		attachNavEvents(".nav", "documentos");		
		attachNavEvents(".nav", "noticias");	
		attachNavEvents(".nav", "videos");
		function attachNavEvents(parent, myClass) {
			$(parent + " ." + myClass).mouseover(function() {
				$(this).append('<div class="nav-' + myClass + '"></div>');
				$("div.nav-" + myClass).css({display:"none"}).fadeIn(200);
			}).mouseout(function() {
				$("div.nav-" + myClass).fadeOut(200, function() {
					$(this).remove();
				});
			}).mousedown(function() {
				$("div.nav-" + myClass).attr("class", "nav-" + myClass + "-click");
			}).mouseup(function() {
				$("div.nav-" + myClass + "-click").attr("class", "nav-" + myClass);
			});
		}
});