/* Correctly handle PNG transparency in Win IE 5.5 & 6. http://homepage.ntlworld.com/bobosola. Updated 18-Jan-2006. Use in with DEFER keyword wrapped in conditional comments: */ var blank = new Image(); blank.src = '/_layouts/images/blank.gif'; // old function to be deleted. function correctPNG() // correctly handle PNG transparency in Win IE 5.5 & 6. { var arVersion = navigator.appVersion.split("MSIE") var version = parseFloat(arVersion[1]) if ((version >= 5.5) && (document.body.filters)) { for (var i = 0; i < document.images.length; i++) { var img = document.images[i] var imgName = img.src.toUpperCase() if (imgName.substring(imgName.length - 3, imgName.length) == "PNG") { var imgID = (img.id) ? "id='" + img.id + "' " : "" var imgClass = (img.className) ? "class='" + img.className + "' " : "" var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' " var imgStyle = "display:inline-block;" + img.style.cssText var strNewHTML = "" img.outerHTML = strNewHTML i = i - 1 } } } } // detect browser and add alpha filter to PNG function correctPNGEx() { var ieVersion = getInternetExplorerVersion(); if (ieVersion < 7 && ieVersion > 0) { $('img[src$=.png]').each(function() { fixPng(this); }); $('img[src$=.PNG]').each(function() { fixPng(this); }); } } function getInternetExplorerVersion() // Returns the version of Internet Explorer or a -1 // (indicating the use of another browser). { var rv = -1; // Return value assumes failure. if (navigator.appName == 'Microsoft Internet Explorer') { var ua = navigator.userAgent; var re = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})"); if (re.exec(ua) != null) rv = parseFloat(RegExp.$1); } return rv; } window.attachEvent("onload", correctPNGEx); /// from http://docs.jquery.com/Tutorials:PNG_Opacity_Fix_for_IE6 function fixPng(png) { // get src var src = png.src; // set width and height if (!png.style.width) { png.style.width = $(png).width(); } if (!png.style.height) { png.style.height = $(png).height(); } // replace by blank image png.onload = function() { }; png.src = blank.src; // set filter (display original image) png.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "',sizingMethod='scale')"; // next to do is to handle background images }