(function($) { $.fn.hoverIntent = function(f, g) { var cfg = { sensitivity: 7, interval: 100, timeout: 0 }; cfg = $.extend(cfg, g ? { over: f, out: g} : f); var cX, cY, pX, pY; var track = function(ev) { cX = ev.pageX; cY = ev.pageY }; var compare = function(ev, ob) { ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t); if ((Math.abs(pX - cX) + Math.abs(pY - cY)) < cfg.sensitivity) { $(ob).unbind("mousemove", track); ob.hoverIntent_s = 1; return cfg.over.apply(ob, [ev]) } else { pX = cX; pY = cY; ob.hoverIntent_t = setTimeout(function() { compare(ev, ob) }, cfg.interval) } }; var delay = function(ev, ob) { ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t); ob.hoverIntent_s = 0; return cfg.out.apply(ob, [ev]) }; var handleHover = function(e) { var p = (e.type == "mouseover" ? e.fromElement : e.toElement) || e.relatedTarget; while (p && p != this) { try { p = p.parentNode } catch (e) { p = this } } if (p == this) { return false } var ev = jQuery.extend({}, e); var ob = this; if (ob.hoverIntent_t) { ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t) } if (e.type == "mouseover") { pX = ev.pageX; pY = ev.pageY; $(ob).bind("mousemove", track); if (ob.hoverIntent_s != 1) { ob.hoverIntent_t = setTimeout(function() { compare(ev, ob) }, cfg.interval) } } else { $(ob).unbind("mousemove", track); if (ob.hoverIntent_s == 1) { ob.hoverIntent_t = setTimeout(function() { delay(ev, ob) }, cfg.timeout) } } }; return this.mouseover(handleHover).mouseout(handleHover) } })(jQuery);