pngbehavior.htc

简单的asp论坛源码系统,很适用于初学者!界面简洁,功能齐全

<public:component>
<public:attach event="onpropertychange" onevent="fixPNG()" />
<script type="text/javascript">

var IEbrowser = /MSIE (5\.5|6\.)/.test(navigator.userAgent) && navigator.platform == 'Win32';

function fixPNG() {

	//exit if not IE5.5 or 6 on win32
	if (!IEbrowser) return;

   	// get image
   	var src = element.src;
   	
   	// if PNG then run filter
   	if ( /\.png$/.test(src.toLowerCase())) {
   		// set auto sizing
   		if (currentStyle.width == 'auto' && currentStyle.height == 'auto') {
   			style.height = offsetHeight + 'px';
   			style.width = offsetWidth + 'px';
   		}
      		// set filter
      		element.runtimeStyle.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src="' + src + '", sizingMethod="scale")';
   		// set blank image
      		element.src = 'forum_images/blank.gif';
   	}
   	else {
      		// remove filter
      		element.runtimeStyle.filter = '';
   }
}

if (IEbrowser) fixPNG();

</script>
</public:component>