if (document.images) {
	
	

	home_on = new Image( ); home_on.src = "/images/navigation/home_on.gif";
	home_off = new Image( ); home_off.src = "/images/navigation/home_off.gif";

	public_alerts_on = new Image( ); public_alerts_on.src = "/images/navigation/public_alerts_on.gif";
	public_alerts_off = new Image( ); public_alerts_off.src = "/images/navigation/public_alerts_off.gif";

	about_fpd_on = new Image( ); about_fpd_on.src = "/images/navigation/about_on.gif";
	about_fpd_off = new Image( ); about_fpd_off.src = "/images/navigation/about_off.gif";
	
	crime_statistics_on = new Image( ); crime_statistics_on.src = "/images/navigation/crime_statistics_on.gif";
	crime_statistics_off = new Image( ); crime_statistics_off.src = "/images/navigation/crime_statistics_off.gif";
	
	community_on = new Image( ); community_on.src = "/images/navigation/community_on.gif";
	community_off = new Image( ); community_off.src = "/images/navigation/community_off.gif";
	
	forms_documents_on = new Image( ); forms_documents_on.src = "/images/navigation/forms_documents_on.gif";
	forms_documents_off = new Image( ); forms_documents_off.src = "/images/navigation/forms_documents_off.gif";
	
	contact_on = new Image( ); contact_on.src = "/images/navigation/contact_on.gif";
	contact_off = new Image( ); contact_off.src = "/images/navigation/contact_off.gif";

	fpd_map_on = new Image( ); fpd_map_on.src = "/images/fpd_map_zoom.gif";
	fpd_map_off = new Image( ); fpd_map_off.src = "/images/fpd_map.gif";



function imgOn(imgField) {
	if (document.images) {
		document[imgField].src = eval(imgField + "_on.src")
	}
}

function imgOff(imgField) {
	if (document.images) {
		document[imgField].src = eval(imgField + "_off.src")
	}
}

}