squellete2
[aidenligne_francais_universite.git] / win_png.htc
1 <public:component>
2 <public:attach event="onpropertychange" onevent="propertyChanged()" />
3 <script>
4
5 var supported = /MSIE (5\.5)|[6789]/.test(navigator.userAgent) && navigator.platform == "Win32";
6 var realSrc;
7 var blankSrc = "rien.gif";
8
9 if (supported) fixImage();
10
11 function propertyChanged() {
12         if (!supported) return;
13
14         var pName = event.propertyName;
15         if (pName != "src") return;
16         // if not set to blank
17         if ( ! new RegExp(blankSrc).test(src))
18                 fixImage();
19 };
20
21 function fixImage() {
22         // get src
23         var src = element.src;
24
25         // check for real change
26         if (src == realSrc) {
27                 element.src = blankSrc;
28                 return;
29         }
30
31         if ( ! new RegExp(blankSrc).test(src)) {
32                 // backup old src
33                 realSrc = src;
34         }
35
36         // test for png
37         if ( /\.png$/.test( realSrc.toLowerCase() ) ) {
38                 // set blank image
39                 element.src = blankSrc;
40                 // set filter
41                 element.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" +
42                         src + "',sizingMethod='image')";
43         }
44 }
45
46 </script>
47 </public:component>