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Diffstat (limited to 'skins/default/pngbehavior.htc')
| -rw-r--r-- | skins/default/pngbehavior.htc | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/skins/default/pngbehavior.htc b/skins/default/pngbehavior.htc new file mode 100644 index 000000000..553699a2f --- /dev/null +++ b/skins/default/pngbehavior.htc @@ -0,0 +1,52 @@ +<public:component> +<public:attach event="onpropertychange" onevent="propertyChanged()" /> +<script> + +var supported = /MSIE (5\.5)|[6789]/.test(navigator.userAgent) && navigator.platform == "Win32"; +var realSrc; +var blankSrc = "skins/default/images/blank.gif"; + +if (supported) fixImage(); + +function propertyChanged() { + if (!supported) return; + + var pName = event.propertyName; + if (pName != "src") return; + // if not set to blank + if ( ! new RegExp(blankSrc).test(src)) + fixImage(); +}; + +function fixImage() { + // get src + var src = element.src; + + // check for real change + if (src == realSrc) { + element.src = blankSrc; + return; + } + + if ( ! new RegExp(blankSrc).test(src)) { + // backup old src + realSrc = src; + element._original_src = realSrc; + } + + // test for png + if ( /\.png$/.test( realSrc.toLowerCase() ) ) { + // set blank image + element.src = blankSrc; + // set filter + element.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + + src + "',sizingMethod='scale')"; + } + else { + // remove filter + element.runtimeStyle.filter = ""; + } +} + +</script> +</public:component>
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