;(function($){ // secure $ jQuery alias

/*******************************************************************************************/	

// jquery.event.hover.js - rev 5 

// Copyright (c) 2008, Three Dub Media (http://threedubmedia.com)

// Liscensed under the MIT License (MIT-LICENSE.txt)

// http://www.opensource.org/licenses/mit-license.php

// Created: 2008-06-02 | Updated: 2008-07-30

/*******************************************************************************************/



//	USE THESE PROPERTIES TO CUSTOMIZE SETTINGS...



//	jQuery.event.special.hover.delay = 100; 

//	Defines the delay (msec) while mouse is inside the element before checking the speed



//	jQuery.event.special.hover.speed = 100; 

//	Defines the maximum speed (px/sec) the mouse may be moving to trigger the hover event



// save the old jquery "hover" method

$.fn._hover = $.fn.hover;



// jquery method 

$.fn.hover = function( fn1, fn2, fn3 ) {

	if ( fn3 ) this.bind('hoverstart', fn1 ); // 3 args

	if ( fn2 ) this.bind('hoverend', fn3 ? fn3 : fn2 ); // 2+ args

	return !fn1 ? this.trigger('hover') // 0 args 

		: this.bind('hover', fn3 ? fn2 : fn1 ); // 1+ args

	};	



// special event configuration

var hover = $.event.special.hover = {

	delay: 100, // milliseconds

	speed: 100, // pixels per second

	setup: function( data ){

		data = $.extend({ speed: hover.speed, delay: hover.delay, hovered:0 }, data||{} );

		$.event.add( this, "mouseenter mouseleave", hoverHandler, data );

		},

	teardown: function(){

		$.event.remove( this, "mouseenter mouseleave", hoverHandler );

		}

	};



// shared event handler

function hoverHandler( event ){

	var data = event.data || event;

	switch ( event.type ){

		case 'mouseenter': // mouseover

			data.dist2 = 0; // init mouse distance²

			data.event = event; // store the event

			event.type = "hoverstart"; // hijack event

			if ( $.event.handle.call( this, event )!==false ){ // handle "hoverstart"

				data.elem = this; // ref to the current element

				$.event.add( this, "mousemove", hoverHandler, data ); // track the mouse

				data.timer = setTimeout( compare, data.delay ); // start async compare

				}

			break;

		case 'mousemove': // track the event, mouse distance² = x² + y²

			data.dist2 += Math.pow( event.pageX-data.event.pageX, 2 ) 

				+ Math.pow( event.pageY-data.event.pageY, 2 ); 

			data.event = event; // store current event

			break;

		case 'mouseleave': // mouseout

			clearTimeout( data.timer ); // uncompare

			if ( data.hovered ){ 

				event.type = "hoverend"; // hijack event

				$.event.handle.call( this, event ); // handle "hoverend"

				data.hovered--; // reset flag

				}

			else $.event.remove( data.elem, "mousemove", hoverHandler ); // untrack

			break;

		default: // timeout compare // distance² = x² + y²  = ( speed * time )²

			if ( data.dist2  <= Math.pow( data.speed*( data.delay/1e3 ), 2 ) ){ // speed acceptable

				$.event.remove( data.elem, "mousemove", hoverHandler ); // untrack

				data.hovered++; // flag for "hoverend"

				data.event.type = "hover"; // hijack event

				if ( $.event.handle.call( data.elem, data.event ) === false ) // handle "hover"

					data.hovered--; // flag for "hoverend"

				}

			else data.timer = setTimeout( compare, data.delay ); // async recurse

			data.dist2 = 0; // reset distance² for next compare

			break;

		}

	function compare(){ hoverHandler( data ); }; // timeout/recursive function

	};

	

/*******************************************************************************************/

})(jQuery); // confine scope