Function updateRolloverEffects

Examples/FilterExample.js:215–220

()

        knobEl.addEvent("mouseleave", function () { isHovering = false;  updateRolloverEffects(); });
        
        function updateRolloverEffects () {
            updateCursor();
            var isShowingKnob = (isShowing || isHovering || isDragging);
            knobEl.setStyle("display", isShowingKnob ? "block" : "none");
            helpEl.setStyle("display", (isShowingKnob && !didDrag) ? "block" : "none");
        }
        
        function updateCursor () {
            var body = document.getElement("body");