$(document).ready(function(){
	var $arrow = {
					left: $("#navigation-arrow-left"),
				   	right: $("#navigation-arrow-right")
				  };
	var $firstAlbum = $("#gorod-v-mertvoi-maske");	
				  
	$arrow.left.click(function(){
		$firstAlbum.animate({marginLeft: "0px"});
		$arrow.left.toggle();
		$arrow.right.toggle();
	});			
	$arrow.right.click(function(){
		$firstAlbum.animate({marginLeft: "-300px"});
		$arrow.left.toggle();
		$arrow.right.toggle();
	});	   					   
});