$(document).ready(function(){
	$('.ulImg li.floatL').click(function(){
		$('.ulImg .floatL img').attr('src','/images/qanda/imgdog_on.gif');
		$('.ulImg .floatR img').attr('src','/images/qanda/imgcat.gif');
		$('.bigBox .dog').css('display','block');
		$('.bigBox .cat').css('display','none');
	});
	$('.ulImg .floatR').click(function(){
		$('.ulImg li.floatL img').attr('src','/images/qanda/imgdog.gif');
		$('.ulImg li.floatR img').attr('src','/images/qanda/imgcat_on.gif');
		$('.bigBox .dog').css('display','none');
		$('.bigBox .cat').css('display','block');
	});
});