function possiblyFixTransparentPNGs() {
	if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)) { //test for MSIE
		var version=new Number(RegExp.$1) // capture x.x portion and store as a number
		if (version<7) {
			x = document.getElementById("containerBottomShadow");
			x.style.backgroundImage = "url('/shadow_bottom_ie_pre_7.png')";
			x = document.getElementById("root");
			x.style.backgroundImage = "url('/shadow_right_ie_pre_7.png')";
		}
	}
}