(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);