// JavaScript Document
// detecção de browser
if (navigator.appName=='Netscape') {browser='NS';}
if (navigator.appName=='Opera') {browser='OP';}
if (navigator.appName=='Microsoft Internet Explorer') {browser='MSIE';}
version = parseInt(navigator.appVersion);
if (navigator.appVersion.indexOf('6.')>-1) {version=5};
var menus_total = 6;

// defenir posição do menu consoante o browser
if (browser=='MSIE') {
	esquerda=-769;
	topo=0;
} else {
	esquerda=0;
	topo=-13;
}

function popmenu(num)
{
	document.getElementById("m"+num).style.visibility = "visible";
	document.getElementById("m"+num).style.display = "block";	
	document.getElementById("mt"+num).style.borderTopStyle = "solid";
	document.getElementById("mt"+num).style.borderLeftStyle = "solid";
	document.getElementById("mt"+num).style.borderRightStyle = "solid";	
}

function menu_init(num) {
	if (style_cookie == 'phpBBstyle') {
		//arranjar menu principal;
		if (browser=='MSIE') document.getElementById("mainmenu").style.marginTop = '108px';
		else document.getElementById("mainmenu").style.marginTop = '104px';
	}
	// posiciona correctamente os submenus*
	for (i = 1 ; i < menus_total ; i++) {
		document.getElementById("m"+i).style.marginLeft = esquerda+'px';
		document.getElementById("m"+i).style.marginTop = topo+'px';
	}
	//carregar menu da secção.
	if (num>0) {
		menu(num);
	}
}

function menu(num)
{
	for (i = 1 ; i < menus_total ; i++) {
		document.getElementById("m"+i).style.visibility = "hidden";
		document.getElementById("m"+i).style.display = "none";
		document.getElementById("mt"+i).style.borderTopStyle = "none";
		document.getElementById("mt"+i).style.borderLeftStyle = "none";
		document.getElementById("mt"+i).style.borderRightStyle = "none";
	}
	popmenu(num);
}