$(document).ready(function(){
	
	$('.posts li.reg-post').each(function(index, elm){
		switch( index) {
			case 0:
				$(elm).removeClass('reg-post').addClass('main-post'); break;
			case 1:
			case 2:
				$(elm).removeClass('reg-post').addClass('alt-post'); break;
		}
	});
	
});