function show(ele){
	if(ele != 'fulllist' && ele != 'ep_full' && ele != 'topics'&& ele != 'utc'&& ele != 'osp'){
		hide_all();
	}
	var element = document.getElementById(ele);
	var menu = document.getElementById(ele+'_menu');
	if(ele != 'fulllist' && ele != 'ep_full' && ele != 'topics'&& ele != 'utc'&& ele != 'osp'){
		menu.className = 'selected';
	}
	element.className = 'show';
}

function hide_all(){
	document.getElementById("welcome").className = 'hidden';
	document.getElementById("wsi").className = 'hidden';
	document.getElementById("wta").className = 'hidden';
	document.getElementById("topics").className = 'hidden';
	document.getElementById("bc").className = 'hidden';
	document.getElementById("oi").className = 'hidden';
	document.getElementById("tv").className = 'hidden';
	document.getElementById("ep").className = 'hidden';
	document.getElementById("ssp").className = 'hidden';
	document.getElementById("dp").className = 'hidden';
	document.getElementById("tv").className = 'hidden';
	document.getElementById("do").className = 'hidden';
	document.getElementById("fulllist").className = 'hidden';
	document.getElementById("ep_full").className = 'hidden';
	
	document.getElementById("welcome_menu").className = '';
	document.getElementById("wsi_menu").className = '';
	document.getElementById("wta_menu").className = '';
	document.getElementById("bc_menu").className = '';
	document.getElementById("oi_menu").className = '';
	document.getElementById("tv_menu").className = '';
	document.getElementById("ep_menu").className = '';
	document.getElementById("ssp_menu").className = '';
	document.getElementById("dp_menu").className = '';
	document.getElementById("tv_menu").className = '';
	document.getElementById("do_menu").className = '';
}