var menu, subMenu;
var showTimer, hideTimer;
var left_menu_vest, left_menu_graduacao;

function initMenus() {
	subMenu = {
		menu_graduacao		: document.getElementById('menu_graduacao'),
		menu_posgraduacao	: document.getElementById('menu_posgraduacao'),
		menu_alunos			: document.getElementById('menu_alunos'),
		menu_pesquisa		: document.getElementById('menu_pesquisa'),
		menu_servicos		: document.getElementById('menu_servicos'),
		menu_institucional	: document.getElementById('menu_institucional')
	}
	
//  DEFINE AS COORDENADAS DAS CAMADAS
	document.getElementById('menu_graduacao').style.display='none';
	document.getElementById('menu_graduacao').style.left = document.getElementById('corpopag').offsetLeft + 100 +"px";
	
	document.getElementById('menu_posgraduacao').style.display='none';
	document.getElementById('menu_posgraduacao').style.left = document.getElementById('corpopag').offsetLeft + 300 +"px";

	document.getElementById('menu_alunos').style.display='none';
	document.getElementById('menu_alunos').style.left = document.getElementById('corpopag').offsetLeft + 430 +"px";

	document.getElementById('menu_pesquisa').style.display='none';
	document.getElementById('menu_pesquisa').style.left = document.getElementById('corpopag').offsetLeft + 505 +"px";

	document.getElementById('menu_servicos').style.display='none';
	document.getElementById('menu_servicos').style.left = document.getElementById('corpopag').offsetLeft + 650 +"px";

	document.getElementById('menu_institucional').style.display='none';
	document.getElementById('menu_institucional').style.left = document.getElementById('corpopag').offsetLeft + 750 +"px";
}

function showMenu(id) {
	if(hideTimer != undefined) clearTimeout(hideTimer);
	showTimer = setTimeout("for(i in subMenu){ subMenu[i].style.display='none'; } subMenu['"+id+"'].style.display=''", 100);	
}

function hideMenu(id) {
	if(showTimer != undefined) clearTimeout(showTimer);
	hideTimer = setTimeout("subMenu['"+id+"'].style.display='none';", 200);
}


window.onload = initMenus;
window.onresize = initMenus;