/**

* --------------------------------------------------------------------

* jQuery-Plugin "pngFix"

* Version: 1.2, 09.03.2009

* by Andreas Eberhard, andreas.eberhard@gmail.com

*                      http://jquery.andreaseberhard.de/

*

* Copyright (c) 2007 Andreas Eberhard

* Licensed under GPL (http://www.opensource.org/licenses/gpl-license.php)

*

* Changelog:

*    09.03.2009 Version 1.2

*    - Update for jQuery 1.3.x, removed @ from selectors

*    11.09.2007 Version 1.1

*    - removed noConflict

*    - added png-support for input type=image

*    - 01.08.2007 CSS background-image support extension added by Scott Jehl, scott@filamentgroup.com, http://www.filamentgroup.com

*    31.05.2007 initial Version 1.0

* --------------------------------------------------------------------

* @example $(function(){$(document).pngFix();});

* @desc Fixes all PNG's in the document on document.ready

*

* jQuery(function(){jQuery(document).pngFix();});

* @desc Fixes all PNG's in the document on document.ready when using noConflict

*

* @example $(function(){$('div.examples').pngFix();});

* @desc Fixes all PNG's within div with class examples

*

* @example $(function(){$('div.examples').pngFix( { blankgif:'ext.gif' } );});

* @desc Fixes all PNG's within div with class examples, provides blank gif for input with png

* --------------------------------------------------------------------

*/



(function($) {



    jQuery.fn.pngFix = function(settings) {



        // Settings

        settings = jQuery.extend({

            blankgif: 'blank.gif'

        }, settings);



        var ie55 = (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) == 4 && navigator.appVersion.indexOf("MSIE 5.5") != -1);

        var ie6 = (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) == 4 && navigator.appVersion.indexOf("MSIE 6.0") != -1);



        if (jQuery.browser.msie && (ie55 || ie6)) {



            //fix images with png-source

            jQuery(this).find("img[src$=.png]").each(function() {



                jQuery(this).attr('width', jQuery(this).width());

                jQuery(this).attr('height', jQuery(this).height());



                var prevStyle = '';

                var strNewHTML = '';

                var imgId = (jQuery(this).attr('id')) ? 'id="' + jQuery(this).attr('id') + '" ' : '';

                var imgClass = (jQuery(this).attr('class')) ? 'class="' + jQuery(this).attr('class') + '" ' : '';

                var imgTitle = (jQuery(this).attr('title')) ? 'title="' + jQuery(this).attr('title') + '" ' : '';

                var imgAlt = (jQuery(this).attr('alt')) ? 'alt="' + jQuery(this).attr('alt') + '" ' : '';

                var imgAlign = (jQuery(this).attr('align')) ? 'float:' + jQuery(this).attr('align') + ';' : '';

                var imgHand = (jQuery(this).parent().attr('href')) ? 'cursor:hand;' : '';

                if (this.style.border) {

                    prevStyle += 'border:' + this.style.border + ';';

                    this.style.border = '';

                }

                if (this.style.padding) {

                    prevStyle += 'padding:' + this.style.padding + ';';

                    this.style.padding = '';

                }

                if (this.style.margin) {

                    prevStyle += 'margin:' + this.style.margin + ';';

                    this.style.margin = '';

                }

                var imgStyle = (this.style.cssText);



                strNewHTML += '<span ' + imgId + imgClass + imgTitle + imgAlt;

                strNewHTML += 'style="position:relative;white-space:pre-line;display:inline-block;background:transparent;' + imgAlign + imgHand;

                strNewHTML += 'width:' + jQuery(this).width() + 'px;' + 'height:' + jQuery(this).height() + 'px;';

                strNewHTML += 'filter:progid:DXImageTransform.Microsoft.AlphaImageLoader' + '(src=\'' + jQuery(this).attr('src') + '\', sizingMethod=\'scale\');';

                strNewHTML += imgStyle + '"></span>';

                if (prevStyle != '') {

                    strNewHTML = '<span style="position:relative;display:inline-block;' + prevStyle + imgHand + 'width:' + jQuery(this).width() + 'px;' + 'height:' + jQuery(this).height() + 'px;' + '">' + strNewHTML + '</span>';

                }



                jQuery(this).hide();

                jQuery(this).after(strNewHTML);



            });



            // fix css background pngs

            jQuery(this).find("*").each(function() {

                var bgIMG = jQuery(this).css('background-image');

                if (bgIMG.indexOf(".png") != -1) {

                    var iebg = bgIMG.split('url("')[1].split('")')[0];

                    jQuery(this).css('background-image', 'none');

                    jQuery(this).get(0).runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + iebg + "',sizingMethod='scale')";

                }

            });



            //fix input with png-source

            jQuery(this).find("input[src$=.png]").each(function() {

                var bgIMG = jQuery(this).attr('src');

                jQuery(this).get(0).runtimeStyle.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader' + '(src=\'' + bgIMG + '\', sizingMethod=\'scale\');';

                jQuery(this).attr('src', settings.blankgif)

            });



        }



        return jQuery;



    };



})(jQuery);