function viewHeadMenu(id){
	var elm = document.getElementById(id);
	elm.style.display = "block";
}

function hideHeadMenu(id){
	var elm = document.getElementById(id);
	elm.style.display = "none";
}


function viewTopics(id){
	$(".top_topics_frame").each(function(){ this.style.display = "none"; });
	$("#" + id).get().shift().style.display = "block";
}