function preload(images) {
        var imageObj = new Image();
		for(i=0; i<=images.length-1; i++) {
            // document.write('<img src="' + images[i] + '" />');// Write to page (uncomment to check images)
			imageObj.src=images[i];
        }
}


function presentationPreloadImages() {
	var images = new Array('images/menu-presentation-blue.png',
						   'images/menu-presentation-red.png',
						   'images/menu-places-blue.png',
						   'images/menu-places-red.png',
						   'images/menu-domiciliarysupport-blue.png',
						   'images/menu-domiciliarysupport-red.png',
						   'images/menu-services-blue.png',
						   'images/menu-services-red.png',
						   'images/menu-protocols-blue.png',
						   'images/menu-protocols-red.png',
						   'images/menu-careers-blue.png',
						   'images/menu-careers-red.png',
						   'images/menu-contacts-blue.png',
						   'images/menu-contacts-red.png',
						   'images/menu-separator-blue.png',
						   'images/menu-separator-red.png');
	preload(images);
}

function placesPreloadImages() {
	var images = new Array('images/places-mapnorth.gif',
						   'images/places-mapportugal.gif');
	preload(images);
}

function servicesPreloadImages() {
	var images = new Array('images/services-syringe.jpg');
	preload(images);
}

function careersPreloadImages() {
	var images = new Array('images/careers-products.jpg');
	preload(images);
}

function contactsPreloadImages() {
	var images = new Array('images/contacts-mail.jpg');
	preload(images);
}

function protocolsPreloadImages() {
	var images = new Array('images/protocols-aide.png',
						   'images/protocols-clinicamovimento.png',
						   'images/protocols-farmaciavales.png',
						   'images/protocols-helpphone.png',
						   'images/protocols-medicare.png',
						   'images/protocols-ordemadvogados.png',
						   'images/protocols-servimed.png',
						   'images/protocols-sindicatoprofnorte.png',
						   'images/protocols-sindicatoprofzonanorte.png',
						   'images/protocols-sindicatotecnicosestado.png',
						   'images/protocols-spliu.png',
						   'images/protocols-stfpn.png');
	preload(images);
}