//	this will iterate with each element with the class 'ie-fix-opacity' and add an IE filter,
//	replacing the background-image for the filter of that image
Event.observe(window, 'load', function(){
	var version = parseFloat(navigator.appVersion.split('MSIE')[1]);
	if ((version >= 5.5) && (version < 7) && (document.body.filters)) {
		document.getElementsByClassName('ie-fix-opacity').each(function(poElement){
			// if IE5.5+ on win32, then display PNGs with AlphaImageLoader
			var cImage = '';
			if (poElement.src)
			{
				cImage = poElement.src;
				var w = poElement.width;
				var h = poElement.height;
				poElement.src = "images/pixel.gif";

				poElement.width = w;
				poElement.height = h;
			}
			else
			{
				var cBGImg = poElement.currentStyle.backgroundImage;
				cImage = cBGImg.substring(cBGImg.indexOf('"') + 1, cBGImg.lastIndexOf('"'));
			}


			poElement.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + cImage + "', sizingMethod='scale')";
			poElement.style.backgroundImage = "none";
		});
	}
}, false);