function MostraApaga(objeto, display){
	try { document.getElementById(objeto).style.display = display; }
	catch(e){}
}

var atual = "home";

function acende(qual){
	MostraApaga("pagina", "none");
	MostraApaga("antigo", "none");
	MostraApaga(atual, "none");
	MostraApaga(qual, "block");
	MostraApaga("capa", "block");
	MostraApaga("continua", (qual=="home"? "none" : "block"));
	MostraApaga("fechar", (qual=="home"? "none" : "block"));
	atual = qual;
}

function topo(){
	window.scrollTo(0,0);
}

function janela(url, W, H){
	try {
		jan = window.open(url, "", "width=" + W + ",height=" + H + ",left=" + ((screen.availWidth - W) / 2) + ",top=" + ((screen.availHeight - H) / 2));
		jan.focus();
	}
	catch(e){
		alert("Por favor desabilite seu anti-popup para visualizar este website.");
	}
}

function flash(movie, flashvars, width, height){
	return '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0" width="' + width + '" height="' + height + '">'+
			'<param name="movie" value="../' + movie + '">'+
			'<param name="quality" value="high">'+
			'<param name="wmode" value="transparent">'+
			'<param name="FlashVars" value="' + flashvars + '">'+
			'<embed src="../' + movie + '" width="' + width + '" height="' + height + '" flashvars="' + flashvars + '" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" wmode="transparent"></embed>'+
			'</object>';
}

function addEvent(obj, evType, fn, useCapture){
	if(obj.addEventListener){
		obj.addEventListener(evType, fn, useCapture);
		return true;
	} 
	else if (obj.attachEvent){
		var r = obj.attachEvent("on"+evType, fn);
		return r;
	}
}