if (document.images) {
	home1 = new Image; home1.src = "images/nav_home_a.gif"
	home0 = new Image; home0.src = "images/nav_home_b.gif"
	collections1 = new Image; collections1.src = "images/nav_collections_a.gif"
	collections0 = new Image; collections0.src = "images/nav_collections_b.gif"
    services1 = new Image; services1.src = "images/nav_services_a.gif"
	services0 = new Image; services0.src = "images/nav_services_b.gif"
	rates1 = new Image; rates1.src = "images/nav_rates_a.gif"
	rates0 = new Image; rates0.src = "images/nav_rates_b.gif"
	ppsa1 = new Image; ppsa1.src = "images/nav_ppsa_a.gif"
	ppsa0 = new Image; ppsa0.src = "images/nav_ppsa_b.gif"
	reports1 = new Image; reports1.src = "images/nav_reports_a.gif"
	reports0 = new Image; reports0.src = "images/nav_reports_b.gif"
	contact1 = new Image; contact1.src = "images/nav_contact_a.gif"
	contact0 = new Image; contact0.src = "images/nav_contact_b.gif"

}
else {
 home1 = ""
	home0 = ""
	document.home.src = ""
	document.collections.src = ""
	document.services.src = ""
	document.rates.src = ""
	document.ppsa.src = ""
	document.reports.src = ""
	document.contact.src = ""
}