/* Menu.js
*
* Definição dos funções de funcionamento do menu
*
*/

NS4 = (document.layers);
IE4 = (document.all);
ver4 = (NS4 || IE4);
IE5 = (IE4 && navigator.appVersion.indexOf("5.")!=-1);
isMac = (navigator.appVersion.indexOf("Mac") != -1);
isMenu = (NS4 || (IE4 && !isMac) || (IE5 && isMac));

var setaDown = new Image();
setaDown.src = "images/seta_menu_down.gif";
var setaUp = new Image();
setaUp.src = "images/seta_menu_up.gif";
var openSpan = "inline";
var closeSpan = "none";


var itensmenu = 0; //Define o número de ítens menu
var openmenu = 0;  //Define o número do menu que inciciará aberto

function it_menu_over(src)
{
	if (navigator.appName!='Netscape')if (!src.contains(event.fromElement))	src.style.cursor = 'hand';
}

function it_menu_out(src)
{
	if (navigator.appName!='Netscape')if (!src.contains(event.fromElement))	src.style.cursor = 'default';
}

function it_menu(src, menu)
{
	if (document.all[menu])
		if (navigator.appName!='Netscape')
		{
			window.setTimeout("1",5);var seta, item_menu;if (!src.contains(event.fromElement))src.style.cursor = 'hand';
			if (document.all){
				item_menu = document.all[menu];	seta = document.all["seta_" + menu];}
			if (!document.all && document.getElementById){
				item_menu = document.getElementById(menu);seta = document.getElementById("seta_" + menu);}
			if (item_menu.style.display == closeSpan){
				seta.src = setaDown.src;item_menu.style.display = openSpan;	}
			else{
				seta.src = setaUp.src;item_menu.style.display = closeSpan;}
		}
}

function it_menu_close(src, menu)
{
	if (document.all[menu])
		if (navigator.appName!='Netscape')
		{
			window.setTimeout("1",5);var seta, item_menu;if (!src.contains(event.fromElement))src.style.cursor = 'hand';
			if (document.all){
				item_menu = document.all[menu];	seta = document.all["seta_" + menu];}
			if (!document.all && document.getElementById){
				item_menu = document.getElementById(menu);seta = document.getElementById("seta_" + menu);}
			if (item_menu.style.display == openSpan){
				seta.src = setaUp.src;item_menu.style.display = closeSpan;	
			}
		}
}

function it_menu_open(src, menu)
{
	if (document.all[menu])
		if (navigator.appName!='Netscape')
		{
			window.setTimeout("1",5);var seta, item_menu;if (!src.contains(event.fromElement))src.style.cursor = 'hand';
			if (document.all){
				item_menu = document.all[menu];	seta = document.all["seta_" + menu];}
			if (!document.all && document.getElementById){
				item_menu = document.getElementById(menu);seta = document.getElementById("seta_" + menu);}
			if (item_menu.style.display == closeSpan){
				seta.src = setaDown.src;item_menu.style.display = openSpan;	
			}
		}
}

function it_menu_inicia()
{	
	menuitens = itensmenu;
	var item_menu, seta, i;
	for (i=1; i<=menuitens; i++)
	{
		if (i != openmenu)
		{
			if (document.all["menu" + i]){
				if (document.all){
					item_menu = document.all["menu" + i];seta = document.all["seta_menu" + i];}
				if (!document.all && document.getElementById){
					item_menu = document.getElementById("menu" + i);seta = document.getElementById("seta_menu" + i);}
				if (item_menu.style.display == closeSpan){
					seta.src = setaDown.src; item_menu.style.display = openSpan;}
				else{
					seta.src = setaUp.src;item_menu.style.display = closeSpan;}
			}
		}
	}
}

function it_goto(local,target){
	if (target == 'true' ) { var showpop; showpop = window.open(local,'_blank',''); }
	else document.location = local; 
}

function it_linkover(src,clrOver) {
	if (!src.contains(event.fromElement)){
		src.style.cursor = 'hand';src.bgColor = clrOver;}
}

function it_linkout(src,clrIn) {
	if (!src.contains(event.toElement)){
		src.style.cursor = 'default'; src.bgColor = clrIn; }
}