// preload function
function preload(imgName) {
	eval(imgName+"_0 = new Image()");	eval(imgName+"_0.src = '/images/navigation/btn_"+imgName+".gif'");
	eval(imgName+"_1 = new Image()");	eval(imgName+"_1.src = '/images/navigation/btn_"+imgName+"_over.gif'");
}

// rollover function
function rollover(thisImg,state) {
	if (document.images) {
		document.images[thisImg].src = eval(thisImg + "_" + state + ".src");
	}
}

// page variables
nav = new Array("company","products","rentals","services");
for (i = 0; i < nav.length; i++) preload(nav[i]);

function HideAllImages() {
	rollover('company',0);
	rollover('products',0);
	rollover('services',0);
	rollover('rentals',0);
}


// utility navigation: printable pages
utilitynav_0 = new Image(); utilitynav_0.src= '/images/layout/utilitynav.gif';
utilitynav_1 = new Image(); utilitynav_1.src= '/images/layout/utilitynav_view.gif';
utilitynav_2 = new Image(); utilitynav_2.src= '/images/layout/utilitynav_generate.gif';
function utility(state) {
	if (document.images) {
		document.images.utilitynav.src = eval("utilitynav_" + state + ".src");
	}
}


// utility navigation: non-printable pages
utilitynopprint_0 = new Image(); utilitynopprint_0.src= '/images/layout/utilitynav-noprint.gif';
utilitynopprint_1 = new Image(); utilitynopprint_1.src= '/images/layout/utilitynav_view-noprint.gif';
utilitynopprint_2 = new Image(); utilitynopprint_2.src= '/images/layout/utilitynav_generate-noprint.gif';
function utilitynopprint(state) {
	if (document.images) {
		document.images.utilitynav.src = eval("utilitynopprint_" + state + ".src");
	}
}