function fixPngTransparency(elementID){
	// IF MSIE version 5 or 6
	if(navigator.userAgent.indexOf("MSIE 6") != -1 || navigator.userAgent.indexOf("MSIE 5") != -1){
		var pngImage 			= document.getElementById(elementID);
		var pngImageSrc			= pngImage.src;
		var spacerSrc			= '/imatges/spacer.gif';
		pngImage.src 			= spacerSrc;
		pngImage.style.filter 	= "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+pngImageSrc+"', sizingMethod='image')";
	}
}