function IE5pngToGif() {
	if (isIE5) {
		var body = document.getElementsByTagName('body')[0];
		fixRecursive(body);
	}
}
function fixRecursive(element) {
	if (element.nodeName.toLowerCase() == 'img') {
		if (element.className == 'imgPNG') {
			element.src = element.src + '.gif';
		}
	}
	var child;
	if (child = element.firstChild) {
		fixRecursive(child);
		while (child = child.nextSibling) {
			fixRecursive(child);
		}
	}		
}