function LoadImages() {
	home_off = new Image()
	home_off.src = "imgs/home_off.gif"
	home_on = new Image()
	home_on.src = "imgs/home_on.gif"

	about_off = new Image()
	about_off.src = "imgs/about_off.gif"
	about_on = new Image()
	about_on.src = "imgs/about_on.gif"

	cat_off = new Image()
	cat_off.src = "imgs/cat_off.gif"
	cat_on = new Image()
	cat_on.src = "imgs/cat_on.gif"

	contact_off = new Image()
	contact_off.src = "imgs/contact_off.gif"
	contact_on = new Image()
	contact_on.src = "imgs/contact_on.gif"

	advert_off = new Image()
	advert_off.src = "imgs/advert_off.gif"
	advert_on = new Image()
	advert_on.src = "imgs/advert_on.gif"
}

function change(name,state) {
	if (document[name]) {
		if (state) document[name].src = eval(name + "_on.src")
		else document[name].src = eval(name + "_off.src")
	}
}

LoadImages();