$(document).ready(function(){
	$(".area").each(function(){
		var $this = $(this);
		var $div = $this.attr("layer");
		var $hover = $('.'+$div);

		if ($this.hasClass('active')) {
			$hover.css('background-position', $this.attr('position'));
		} else {
			$this.mousemove(function(){
				if ($hover.css('background-position') == '0px 0px') {
					$hover.css('background-position', $this.attr('position'));
				}
			}).mouseleave(function(){
				$hover.css('background-position', '0px 0px');
			});
		}
	});
});