/**

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

 * 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);