function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		MenuLat_ASociedade_over = newImage("images/MenuLat_Home-over.gif");
		MenuLat_Concurso_over = newImage("images/MenuLat_Concurso-over.gif");
		MenuLat_Estagios_over = newImage("images/MenuLat_Estagios-over.gif");
		MenuLat_Servicos_over = newImage("images/MenuLat_Servicos-over.gif");
		MenuLat_Cursos_over = newImage("images/MenuLat_Cursos-over.gif");
		MenuLat_Links_over = newImage("images/MenuLat_Links-over.gif");
		MenuLat_FaleConosco_over = newImage("images/MenuLat_FaleConosco-over.gif");
		SubMenuSociedade_01_over = newImage("images/SubMenuSociedade_01-over.gif");
		SubMenuSociedade_02_over = newImage("images/SubMenuSociedade_02-over.gif");
		SubMenuSociedade_03_over = newImage("images/SubMenuSociedade_03-over.gif");
		SubMenuSociedade_04_over = newImage("images/SubMenuSociedade_04-over.gif");
		SubMenuSociedade_05_over = newImage("images/SubMenuSociedade_05-over.gif");
		SubMenuConcurso_01_over = newImage("images/SubMenuConcurso_01-over.gif");
		SubMenuConcurso_02_over = newImage("images/SubMenuConcurso_02-over.gif");
		SubMenuConcurso_03_over = newImage("images/SubMenuConcurso_03-over.gif");
		SubMenuConcurso_04_over = newImage("images/SubMenuConcurso_04-over.gif");
		SubMenuConcurso_05_over = newImage("images/SubMenuConcurso_05-over.gif");
		SubMenuRevista_01_over = newImage("images/SubMenuRevista_01-over.gif");
		preloadFlag = true;
	}
}

function showsub(submenu)
{
	document.getElementById(submenu).style.visibility="visible"
}

function hidesub(submenu)
{
	document.getElementById(submenu).style.visibility="hidden"
}