$(document).ready(function(){

	$('#left').click(function() {
		var position = $('#slider').position();
		if (!$("#slider").is(':animated')) {
			$('#right').attr("src","_images/footer/right.jpg");
			if (position.left + 147 >= 0) {
				$('#slider').animate({left:0}); 
				$('#left').attr("src","_images/footer/left_off.jpg");
			}
			else {
				$('#slider').animate({left:position.left + 147}); 
			}
		}
		
		
	});
	$('#right').click(function() {
		var position = $('#slider').position();
		$('#left').attr("src","_images/footer/left.jpg");

		if (!$("#slider").is(':animated')) {
			if (position.left - 147 <= -1029) {
				$('#slider').animate({left:-1029}); 
				$('#right').attr("src","_images/footer/right_off.jpg");
			}
			else {
			$('#slider').animate({left:position.left - 147}); 
			}
		}
	});

});