function activateLogo(image) {
	
	if(image != null) {
		image.src = image.src.replace("_bw", "");
	}
	
}
function deActivateLogo(image) {
	if(image != null) {
	image.src = image.src.substr(0, image.src.lastIndexOf(".")) + "_bw" + image.src.substr(image.src.lastIndexOf("."));
}
}