$(document).ready(function(){
	navEffects();
	getCurrentTab();
});

function navEffects(){
	$(".nav").children("li").each(function() {
    var current = "nav current-" + ($(this).attr("class"));
    var parentClass = $(".nav").attr("class");
    	if (parentClass != current) {
        $(this).children("a").css({backgroundImage:"none"});
    	}
	});
	attachNavEvents(".nav", "home"); 
	attachNavEvents(".nav", "about");
	attachNavEvents(".nav", "news");
	attachNavEvents(".nav", "seminars");
	attachNavEvents(".nav", "donations");
	attachNavEvents(".nav", "membership");
	attachNavEvents(".nav", "green");
	function attachNavEvents(parent, myClass) {
    $(parent + " ." + myClass).mouseover(function() {
        $(this).before('<div class="nav-' + myClass + '"></div>');
        $("div.nav-" + myClass).css({display:"none"}).fadeIn(200);
    }).mouseout(function() {
        // fade out & destroy pseudo-link
        $("div.nav-" + myClass).fadeOut(200,function() {
            $(this).remove();
        });        
    });
};
};
function getCurrentTab() {
	var lis = $("ul.nav li")
	for (var i=0; i < lis.length; i++) {
		var bodyID = $("body").attr("id");
		if (bodyID == lis[i].className) {
			$("ul.nav").addClass("current-" + lis[i].className);
		}
	}

};