// SpryNotifier.js - version 0.1 - Spry Pre-Release 1.6.1
//
// Copyright (c) 2007. 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
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// POSSIBILITY OF SUCH DAMAGE.

var Spry;if(!Spry)Spry={};if(!Spry.Utils)Spry.Utils={};Spry.Utils.Notifier=function()
{this.observers=[];this.suppressNotifications=0;};Spry.Utils.Notifier.prototype.addObserver=function(observer)
{if(!observer)
return;var len=this.observers.length;for(var i=0;i<len;i++)
{if(this.observers[i]==observer)
return;}
this.observers[len]=observer;};Spry.Utils.Notifier.prototype.removeObserver=function(observer)
{if(!observer)
return;for(var i=0;i<this.observers.length;i++)
{if(this.observers[i]==observer)
{this.observers.splice(i,1);break;}}};Spry.Utils.Notifier.prototype.notifyObservers=function(methodName,data)
{if(!methodName)
return;if(!this.suppressNotifications)
{var len=this.observers.length;for(var i=0;i<len;i++)
{var obs=this.observers[i];if(obs)
{if(typeof obs=="function")
obs(methodName,this,data);else if(obs[methodName])
obs[methodName](this,data);}}}};Spry.Utils.Notifier.prototype.enableNotifications=function()
{if(--this.suppressNotifications<0)
{this.suppressNotifications=0;Spry.Debug.reportError("Unbalanced enableNotifications() call!\n");}};Spry.Utils.Notifier.prototype.disableNotifications=function()
{++this.suppressNotifications;};