//Preload Images for simple rollover
	var nav_about_off = new Image(144,37)
	var nav_about_on  = new Image(144,37)
	var nav_artists_off = new Image(117,30)
	var nav_artists_on  = new Image(117,30)
	var nav_contact_off = new Image(135,30)
	var nav_contact_on  = new Image(135,30)
	var nav_paintings_off = new Image(148,30)
	var nav_paintings_on  = new Image(148,30)
	var nav_sculpture_off = new Image(154,30)
	var nav_sculpture_on  = new Image(154,30)
	
	
	nav_about_off.src = "../img/nav_about_on.gif"
	nav_about_on.src  = "../img/nav_about_off.gif"
	nav_artists_off.src = "../img/nav_artists_off.gif"
	nav_artists_on.src  = "../img/nav_artists_on.gif"
	nav_contact_off.src = "../img/nav_contact_off.gif"
	nav_contact_on.src = "../img/nav_contact_on.gif"
	nav_paintings_off.src = "../img/nav_paintings_off.gif"
	nav_paintings_on.src = "../img/nav_paintings_on.gif"
	nav_sculpture_off.src = "../img/nav_sculpture_off.gif"
	nav_sculpture_on.src = "../img/nav_sculpture_on.gif"