function changeQuote(){
	var max = $('section.quote_container div.quote_single').length;
	var num = Math.floor((Math.random() * max));
	var next = $('section.quote_container div.quote_single:eq('+num+')');
	if(next.length > 0){
		//do swap
		$('section.quote_container div.current_quote').fadeOut('fast',function(){
			$(this).removeClass('current_quote');
			next.fadeIn('fast').addClass('current_quote');
		});
	}
}