if (document.images) {
music_active   = new Image(); music_active.src = "music_active.png"
music_inactive = new Image(); music_inactive.src = "music_inactive.png"
sfprj_active   = new Image(); sfprj_active.src = "sfprj_active.png"
sfprj_inactive = new Image(); sfprj_inactive.src = "sfprj_inactive.png"
brew_active   = new Image(); brew_active.src = "brew_active.png"
brew_inactive = new Image(); brew_inactive.src = "brew_inactive.png"
wine_active   = new Image(); wine_active.src = "wine_active.png"
wine_inactive = new Image(); wine_inactive.src = "wine_inactive.png"
film_active   = new Image(); film_active.src = "film_active.png"
film_inactive = new Image(); film_inactive.src = "film_inactive.png"
blog_active   = new Image(); blog_active.src = "blog_active.png"
blog_inactive = new Image(); blog_inactive.src = "blog_inactive.png"
}

function turn_off(ImageName) {
	if (document.images != null) {
		document[ImageName].src = eval(ImageName + "_inactive.src");
	}
}

function turn_over(ImageName) {
	if (document.images != null) {
		document[ImageName].src = eval(ImageName + "_active.src");
	}
}