function canManipulateImages() {
	if (document.images)
		return true;
	else
		return false;
}

function loadPosterImage(imageURL) {
	if (gImageCapableBrowser) {
		document.imagePoster.src = imageURL;
		return false;
	}
	else {
		return true;
	}
}

gImageCapableBrowser = canManipulateImages();