function navigationDown (event) {

	var nav = $('#feed_nav');
	var top = parseInt(nav.css('margin-top'));
	
	var active = nav.find('.active');
	var next = active.next();
	if (next.length != 0) {
		next.addClass('active');
		active.removeClass('active');

		
		top = top - 20;
		nav.css('margin-top',top+"px");
	}
	return false;
	
}



function navigationUp (event) {
	var nav = $('#feed_nav');
	var top = parseInt(nav.css('margin-top'));
	
	var active = nav.find('.active');
	var prev =active.prev();
	if (prev.length != 0) {
		prev.addClass('active');
		active.removeClass('active');
		
		top = top + 20;
		nav.css('margin-top',top+"px");
	}
	return false;
}

function navigationRightFeed (event) {

	var nav = $('#feed_nav');
	var top = parseInt(nav.css('margin-top'));

	//alert('navigationRightFeed');
	var active = nav.find('.active');
	var id = active.attr('id');
	$.ajax({
	   type: "GET",
	   url: "feeds/viewTitle/"+id,
	   success: function(html){
	   	$("#total").html(html);
	  }
	 });

	return false;
}

function navigationLeftTitle (event) {
	var feed = $('#feed_name');
	var idActive = feed.attr('class');
	$.ajax({
	   type: "GET",
	   url: "feeds/liste/"+idActive,
	   success: function(html){
	   	$("#total").html(html);
	  }
	 });
	return false;

}

function navigationRightTitle () {
	var nav = $('#feed_nav');
	var hashid = nav.find('.active').attr('id');
	$.ajax({
		   type: "GET",
		   url: "feeds/viewArticle/"+hashid,
		   success: function(html){
		   	$("#total").html(html);
		  }
		 });
	return false;
}

function navigationLeftArticle (event) {

	var feed = $('#feed_name');
	var idFeed = feed.attr('class');

	var idActive = $('#title').attr('class');
	
	$.ajax({
	   type: "GET",
	   url: "feeds/viewTitle/"+idFeed+"/"+idActive,
	   success: function(html){
	   	$("#total").html(html);
	  }
	 });

	return false;
}