--- /dev/null
+/*\r
+ * jQuery ifixpng plugin\r
+ * (previously known as pngfix)\r
+ * Version 2.1 (23/04/2008)\r
+ * @requires jQuery v1.1.3 or above\r
+ *\r
+ * Examples at: http://jquery.khurshid.com\r
+ * Copyright (c) 2007 Kush M.\r
+ * Dual licensed under the MIT and GPL licenses:\r
+ * http://www.opensource.org/licenses/mit-license.php\r
+ * http://www.gnu.org/licenses/gpl.html\r
+ */\r
+ \r
+ /**\r
+ *\r
+ * @example\r
+ *\r
+ * optional if location of pixel.gif if different to default which is images/pixel.gif\r
+ * $.ifixpng('media/pixel.gif');\r
+ *\r
+ * $('img[src$=.png], #panel').ifixpng();\r
+ *\r
+ * @apply hack to all png images and #panel which icluded png img in its css\r
+ *\r
+ * @name ifixpng\r
+ * @type jQuery\r
+ * @cat Plugins/Image\r
+ * @return jQuery\r
+ * @author jQuery Community\r
+ */\r
+ \r
+(function($) {\r
+\r
+ /**\r
+ * helper variables and function\r
+ */\r
+ $.ifixpng = function(customPixel) {\r
+ $.ifixpng.pixel = customPixel;\r
+ };\r
+ \r
+ $.ifixpng.getPixel = function() {\r
+ return $.ifixpng.pixel || 'images/pixel.gif';\r
+ };\r
+ \r
+ var hack = {\r
+ ltie7 : $.browser.msie && $.browser.version < 7,\r
+ filter : function(src) {\r
+ return "progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true,sizingMethod=crop,src='"+src+"')";\r
+ }\r
+ };\r
+ \r
+ /**\r
+ * Applies ie png hack to selected dom elements\r
+ *\r
+ * $('img[src$=.png]').ifixpng();\r
+ * @desc apply hack to all images with png extensions\r
+ *\r
+ * $('#panel, img[src$=.png]').ifixpng();\r
+ * @desc apply hack to element #panel and all images with png extensions\r
+ *\r
+ * @name ifixpng\r
+ */\r
+ \r
+ $.fn.ifixpng = hack.ltie7 ? function() {\r
+ return this.each(function() {\r
+ var $$ = $(this);\r
+ // in case rewriting urls\r
+ var base = $('base').attr('href');\r
+ if (base) {\r
+ // remove anything after the last '/'\r
+ base = base.replace(/\/[^\/]+$/,'/');\r
+ }\r
+ if ($$.is('img') || $$.is('input')) { // hack image tags present in dom\r
+ if ($$.attr('src')) {\r
+ if ($$.attr('src').match(/.*\.png([?].*)?$/i)) { // make sure it is png image\r
+ // use source tag value if set \r
+ var source = (base && $$.attr('src').search(/^(\/|http:)/i)) ? base + $$.attr('src') : $$.attr('src');\r
+ // apply filter\r
+ $$.css({filter:hack.filter(source), width:$$.width(), height:$$.height()})\r
+ .attr({src:$.ifixpng.getPixel()})\r
+ .positionFix();\r
+ }\r
+ }\r
+ } else { // hack png css properties present inside css\r
+ var image = $$.css('backgroundImage');\r
+ if (image.match(/^url\(["']?(.*\.png([?].*)?)["']?\)$/i)) {\r
+ image = RegExp.$1;\r
+ image = (base && image.substring(0,1)!='/') ? base + image : image;\r
+ $$.css({backgroundImage:'none', filter:hack.filter(image)})\r
+ .children().children().positionFix();\r
+ }\r
+ }\r
+ });\r
+ } : function() { return this; };\r
+ \r
+ /**\r
+ * Removes any png hack that may have been applied previously\r
+ *\r
+ * $('img[src$=.png]').iunfixpng();\r
+ * @desc revert hack on all images with png extensions\r
+ *\r
+ * $('#panel, img[src$=.png]').iunfixpng();\r
+ * @desc revert hack on element #panel and all images with png extensions\r
+ *\r
+ * @name iunfixpng\r
+ */\r
+ \r
+ $.fn.iunfixpng = hack.ltie7 ? function() {\r
+ return this.each(function() {\r
+ var $$ = $(this);\r
+ var src = $$.css('filter');\r
+ if (src.match(/src=["']?(.*\.png([?].*)?)["']?/i)) { // get img source from filter\r
+ src = RegExp.$1;\r
+ if ($$.is('img') || $$.is('input')) {\r
+ $$.attr({src:src}).css({filter:''});\r
+ } else {\r
+ $$.css({filter:'', background:'url('+src+')'});\r
+ }\r
+ }\r
+ });\r
+ } : function() { return this; };\r
+ \r
+ /**\r
+ * positions selected item relatively\r
+ */\r
+ \r
+ $.fn.positionFix = function() {\r
+ return this.each(function() {\r
+ var $$ = $(this);\r
+ var position = $$.css('position');\r
+ if (position != 'absolute' && position != 'relative') {\r
+ $$.css({position:'relative'});\r
+ }\r
+ });\r
+ };\r
+\r
+})(jQuery);\r