//this initializes the main page with the 5 kingdoms

function preloadHomepageRollovers() {

	animalImages = new Array();
	animalImages[0]= new Image();
	animalImages[0].src = '_structural/themes/winter/animalia.gif';
	animalImages[1]= new Image();
	animalImages[1].src = '_structural/themes/winter/animalia_anim.gif';

	bacteriaImages = new Array();
	bacteriaImages[0]= new Image();
	bacteriaImages[0].src = '_structural/themes/winter/bacteria.gif';
	bacteriaImages[1]= new Image();
	bacteriaImages[1].src = '_structural/themes/winter/bacteria_anim.gif';
	
	fungiImages = new Array();
	fungiImages[0]= new Image();
	fungiImages[0].src = '_structural/themes/winter/fungi.gif';
	fungiImages[1]= new Image();
	fungiImages[1].src = '_structural/themes/winter/fungi_anim.gif';

	plantImages = new Array();
	plantImages[0]= new Image();
	plantImages[0].src = '_structural/themes/winter/plantae.gif';
	plantImages[1]= new Image();
	plantImages[1].src = '_structural/themes/winter/plantae_anim.gif';
	
	protistImages = new Array();
	protistImages[0]= new Image();
	protistImages[0].src = '_structural/themes/winter/protista.gif';
	protistImages[1]= new Image();
	protistImages[1].src = '_structural/themes/winter/protista_anim.gif';
	
	plansciImages = new Array();
	plansciImages[0]= new Image();
	plansciImages[0].src = '_structural/themes/winter/plansci.gif';
	plansciImages[1]= new Image();
	plansciImages[1].src = '_structural/themes/winter/plansci_over.gif';
	
	treeImages = new Array();
	treeImages[0]= new Image();
	treeImages[0].src = '_structural/themes/winter/title.gif';
	treeImages[1]= new Image();
	treeImages[1].src = '_structural/themes/winter/title_over.gif';
	
	elfImages = new Array();
	elfImages[0]= new Image();
	elfImages[0].src = '_structural/themes/winter/menu.gif';
	elfImages[1]= new Image();
	elfImages[1].src = '_structural/themes/winter/menu_over.gif';

	virusImages = new Array();
	virusImages[0]= new Image();
	virusImages[0].src = '_structural/themes/winter/virus.gif';
	virusImages[1]= new Image();
	virusImages[1].src = '_structural/themes/winter/virus_over.gif';
	
	rollOverArray = new Array (
		animalImages,
		bacteriaImages,
		fungiImages,
		plantImages,
		protistImages,
		plansciImages,
		treeImages,
		virusImages,
		elfImages

	);
}

//this initializes the back button

function preloadBackButton() {
	backImages = new Array();
	backImages[0]= new Image();
	backImages[0].src = '_structural/themes/winter/back.gif';
	backImages[1]= new Image();
	backImages[1].src = '_structural/themes/winter/back_over.gif';
	
	rollOverArray = new Array (
		backImages
	);

}


//this is the code for swapping the rollover images

function rollOver(whichImage, arrayNumber) {
	document.getElementById(whichImage).src = rollOverArray[arrayNumber][1].src; return true;
};

function rollOut(whichImage, arrayNumber) {
	document.getElementById(whichImage).src = rollOverArray[arrayNumber][0].src; return true;
};