//
// Created on: <18-Nov-2004 10:54:01 bh>
//
// Copyright (C) 1999-2005 eZ systems as. All rights reserved.
//
// This source file is part of the eZ publish (tm) Open Source Content
// Management System.
//
// This file may be distributed and/or modified under the terms of the
// "GNU General Public License" version 2 as published by the Free
// Software Foundation and appearing in the file LICENSE.GPL included in
// the packaging of this file.
//
// Licencees holding valid "eZ publish professional licences" may use this
// file in accordance with the "eZ publish professional licence" Agreement
// provided with the Software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING
// THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE.
//
// The "eZ publish professional licence" is available at
// http://ez.no/home/licences/professional/. For pricing of this licence
// please contact us via e-mail to licence@ez.no. Further contact
// information is available at http://ez.no/home/contact/.
//              
// The "GNU General Public License" (GPL) is available at
// http://www.gnu.org/copyleft/gpl.html.
//
// Contact licence@ez.no if any conditions of this licencing isn't clear to
// you.
//
            
/*! \file eziepngfix.js
*/


/*!
  Forces use of DirectX transparency filter for image tags with
  "transparent-png-icon" as class. The result: correct alpha 
  blending for normal (32x32) PNG icons in Internet Explorer.
*/
function useDirectXAlphaBlender()
{
    var images = document.getElementsByTagName( "img" );

    for( var i=0; i<images.length; i++ )
    {
        if( images[i].className == "transparent-png-icon" )
        {
            images[i].runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + images[i].src + "', sizingMethod='scale')";
            
            if( images[i].width == 16 )
            {           
                images[i].src = emptyIcon16;
            }
            else
            {
                images[i].src = emptyIcon32;
            }
        }
    }
}

window.attachEvent( "onload", useDirectXAlphaBlender );
