$(document).ready(function(){
$('.top-down').click(
	function(e){
		$('.top-game-block.play').css('display','none');
		$('.top-10-games-header').addClass('top-pc').removeClass('top-ol');
		$('.top-game-block.download').css('display','block');
	});
$('.top-play').click(
	function(e){
		$('.top-game-block.download').css('display','none');
		$('.top-10-games-header').addClass('top-ol').removeClass('top-pc');
		$('.top-game-block.play').css('display','block');
	});
});