png-fix-box.css

/*Fix the PNG background image so that the contents can still be clicked*/
* html .png-fix-box {
	background: none;
	_azimuth: expression(this.bgd = this.bgd || 'bgd:'+this.insertAdjacentHTML('afterBegin','<div class="bg"></div>'),'inherit');
}
* html .png-fix-box .bg {
	display:inline;
	position: absolute;
	top: 0px;
	left: 0px;
	height: 100%;
	width: 100%;
	filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='/media/images/global/discuss-box_top.png', sizingMethod='image');
}