// Spry.Effect.js - version 0.38 - Spry Pre-Release 1.6.1
//
// Copyright (c) 2006. Adobe Systems Incorporated.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//   * Redistributions of source code must retain the above copyright notice,
//     this list of conditions and the following disclaimer.
//   * Redistributions in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
//     and/or other materials provided with the distribution.
//   * Neither the name of Adobe Systems Incorporated nor the names of its
//     contributors may be used to endorse or promote products derived from this
//     software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.

var Spry;

if (!Spry) Spry = {};

Spry.forwards = 1; // const
Spry.backwards = 2; // const

if (!Spry.Effect) Spry.Effect = {};

Spry.Effect.Transitions = {
	linearTransition: function(time, begin, change, duration)
	{
		if (time > duration) return change+begin;
		return begin + (time / duration) * change;
	},
	sinusoidalTransition: function(time, begin, change, duration)
	{
		if (time > duration) return change+begin;
		return begin + ((-Math.cos((time/duration)*Math.PI)/2) + 0.5) * change;
	},
	squareTransition: function(time, begin, change, duration)
	{
		if (time > duration) return change+begin;
		return begin + Math.pow(time/duration, 2) * change;
	},
	squarerootTransition: function(time, begin, change, duration)
	{
		if (time > duration) return change+begin;
		return begin + Math.sqrt(time/duration) * change;
	},
	fifthTransition: function(time, begin, change, duration)
	{
		if (time > duration) return change+begin;
		return begin + Math.sqrt((-Math.cos((time/duration)*Math.PI)/2) + 0.5) * change;
	},
	circleTransi