$(document).ready(function(){
	lastBlock = $("#acc-open");
	maxWidth = 740;
	minWidth = 45;	

	$(".product-feature ul li a").hover(
	  function(){
		$(lastBlock).animate({width: minWidth+"px"}, { queue:false, duration:600 });
	$(this).animate({width: maxWidth+"px"}, { queue:false, duration:600});
	lastBlock = this;
	  }
	);
});