jQuery.noConflict();
(function($){
   /* hoverIntent by Brian Cherne */
   $.fn.hoverIntent = function(f,g) {
      // default configuration options
      var cfg = {
         sensitivity: 7,
         interval: 100,
         timeout: 0
      };
      // override configuration options with user supplied object
      cfg = $.extend(cfg, g ? { over: f, out: g } : f );

      // instantiate variables
      // cX, cY = current X and Y position of mouse, updated by mousemove event
      // pX, pY = previous X and Y position of mouse, set by mouseover and polling interval
      var cX, cY, pX, pY;

      // A private function for getting mouse position
      var track = function(ev) {
         cX = ev.pageX;
         cY = ev.pageY;
      };

      // A private function for comparing current and previous mouse position
      var compare = function(ev,ob) {
         ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t);
         // compare mouse positions to see if they've crossed the threshold
         if ( ( Math.abs(pX-cX) + Math.abs(pY-cY) ) < cfg.sensitivity ) {
            $(ob).unbind("mousemove",track);
            // set hoverIntent state to true (so mouseOut can be called)
            ob.hoverIntent_s = 1;
            return cfg.over.apply(ob,[ev]);
         } else {
            // set previous coordinates for next time
            pX = cX; pY = cY;
            // use self-calling timeout, guarantees intervals are spaced out properly (avoids JavaScript timer bugs)
            ob.hoverIntent_t = setTimeout( function(){compare(ev, ob);} , cfg.interval );
         }
      };

      // A private function for delaying the mouseOut function
      var delay = function(ev,ob) {
         ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t);
         ob.hoverIntent_s = 0;
         return cfg.out.apply(ob,[ev]);
      };

      // A private function for handling mouse 'hovering'
      var handleHover = function(e) {
         // next three lines copied from jQuery.hover, ignore children onMouseOver/onMouseOut
         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; }

         // copy objects to be passed into t (required for event object to be passed in IE)
         var ev = jQuery.extend({},e);
         var ob = this;

         // cancel hoverIntent timer if it exists
         if (ob.hoverIntent_t) { ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t); }

         // else e.type == "onmouseover"
         if (e.type == "mouseover") {
            // set "previous" X and Y position based on initial entry point
            pX = ev.pageX; pY = ev.pageY;
            // update "current" X and Y position based on mousemove
            $(ob).bind("mousemove",track);
            // start polling interval (self-calling timeout) to compare mouse coordinates over time
            if (ob.hoverIntent_s != 1) { ob.hoverIntent_t = setTimeout( function(){compare(ev,ob);} , cfg.interval );}

         // else e.type == "onmouseout"
         } else {
            // unbind expensive mousemove event
            $(ob).unbind("mousemove",track);
            // if hoverIntent state is true, then call the mouseOut function after the specified delay
            if (ob.hoverIntent_s == 1) { ob.hoverIntent_t = setTimeout( function(){delay(ev,ob);} , cfg.timeout );}
         }
      };

      // bind the function to the two event listeners
      return this.mouseover(handleHover).mouseout(handleHover);
   };
   
})(jQuery);
