(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);