// USO GERAL
gebn = function(s) {
	return document.getElementsByName(s);
}
gebi = function(s) {
	return document.getElementById(s);
}

// MENU SUSPENSO
arrSub = Array("institucional", "informacao", "servicos");
intSE = null;
subAtivo = function() {
	clearInterval(intSE);
	intSE = window.setInterval("subInativo()", 1500);
}
subInativo = function() {
	subExibicao();
	clearInterval(intSE);
}
booIA = false;
strIA = "";
subExibicao = function(s) {
	if(!booIA){
		for(k=0; k<arrSub.length; ++k){
			if(gebi("submenu-"+arrSub[k]).style.visibility == "visible"){
				strIA = arrSub[k];
			}
		}
		booIA = true;
	}
	for(j=0; j<arrSub.length; ++j){
		strIE = arrSub[j];
		gebi("submenu-"+strIE).style.visibility = (strIE != s)?"hidden":"visible";
	}
	clearInterval(intSE);
}