function recount() {
  var cnt = Math.floor(($("#body").width() - 22 - 200) / 210) + 1;

  if (cnt == 1) {
    var w = 200;
  }
  else {
    var w = 200 + (cnt - 1) * 210;
  }
  
  $(".root_info").css('width', w - 10);
}

$(window).resize(function(){
  recount();
});

$(window).ready(function(){
  recount();
});

$(document).ready(function() {
	$("a.preview").fancybox({
		'hideOnContentClick': true,
		'zoomSpeedIn': 0,
		'zoomSpeedOut': 500,
		'overlayShow': true
	});
});