addEvent(window, 'load', initCorners);

      function initCorners() {
        var settings = {
          tl: { radius: 15 },
          tr: { radius: 15 },
          bl: { radius: 0 },
          br: { radius: 0 },
          antiAlias: true
        }
        var btm_settings = {
          tl: { radius: 0 },
          tr: { radius: 0 },
          bl: { radius: 15 },
          br: { radius: 15 },
          antiAlias: true
        }
		//For an error_404 page in the errors dir
        var box_settings = {
          tl: { radius: 15 },
          tr: { radius: 15 },
          bl: { radius: 15 },
          br: { radius: 15 },
          antiAlias: true
        }		
        curvyCorners(settings, "#nav");
        curvyCorners(btm_settings, "#footer");
        curvyCorners(box_settings, "#error_box");
        curvyCorners(box_settings, "#mobile_box");

      }