$(function() {	
	setTimeout('chAnimal()',10000);
});
function chAnimal(){
	$animal=$('#home_animal');
	$lang=$('#home_animal').attr('lang');
	if($animal.hasClass('big_dog_'+$lang)){
		$animal.animate({opacity:0},1000,function(){
			$animal.attr('class','big_cat_'+$lang);
		}).animate({opacity:1},700);
	}else{
		$animal.animate({opacity:0},1000,function(){
			$animal.attr('class','big_dog_'+$lang);
		}).animate({opacity:1},700);
	};
	setTimeout('chAnimal()',10000);
}