/* Copyright Drew Broadley 2007 drew@topshelfmedia.co.nz Use in with DEFER keyword wrapped in conditional comments: */ png = new Object(); png.blank = "/graphics/blank.gif"; png.image_sizes = new Object(); png.images = new Array(); png.version = parseFloat(navigator.appVersion.split("MSIE")[1]); png.enable = function() { if ((png.version >= 5.5) && (png.version < 7) && (document.body.filters)) { png.all_images(document.getElementsByTagName('IMG')); //png.fg_images(); //png.bg_images(); } } png.fg_images = function() { for(var i=0; i= 5.5) && (png.version < 7) && (document.body.filters)) { var imgName = img.src.toUpperCase(); if (imgName.substring(imgName.length-3, imgName.length) == "PNG") { //alert(img.src + ": " + img.width + " - " + img.height); img.style.width = img.width; img.style.height = img.height; img.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+img.src+"', sizingMethod='scale')"; img.src = png.blank; } } } png.alpha_bg_image = function(obj) { if (!obj) { return; } var bg = obj.currentStyle.backgroundImage; if (bg && bg.match(/\.png/i) != null) { var img = bg.substring(5,bg.length-2); var offset = obj.style["background-position"]; obj.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+img+"', sizingMethod='crop')"; obj.style.backgroundImage = "url('"+png.blank+"')"; obj.style["background-position"] = offset; // reapply } } window.onload = png.enable;