function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}


<!-- MOSTRA TEXTO NUM OBJETO -->
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_setTextOfLayer(objName,x,newText) { //v4.01
  if ((obj=MM_findObj(objName))!=null) with (obj)
    if (document.layers) {document.write(unescape(newText)); document.close();}
    else innerHTML = unescape(newText);
}




<!-- MOSTRA OU ESCONDE LINHAS -->
function mostra(menu, img){
if (document.getElementById(menu).style.display == 'none') {
	document.getElementById(menu).style.display = 'block';
	document.getElementById(img).src='../imagens/seta_baixo.gif';
}
else{
	document.getElementById(menu).style.display = 'none';
	document.getElementById(img).src='../imagens/seta_dir.gif';
}
}

<!-- MUDA A CLASSE DA FOTO ATIVA NO ALBUM -->
function ativo(obj) { //v1.0
	obj_todos = document.getElementById('albuns').getElementsByTagName('a');
	for (i=0; i<obj_todos.length; i++)
	{
	obj_todos[i].className = "link_02";
	}
	obj.className = "link_02_ativo";
}
//-->


/*******************************************
INICIA O AJAX
********************************************/
function openAjax()
{
var ajax;
try
{ajax = new XMLHttpRequest();} // Para Firefox, Safari, dentre outros.
catch(ee)
{
try
{ajax = new ActiveXObject("Msxml2.XMLHTTP");} // Para o IE da MS
catch(e)
{
try
{ajax = new ActiveXObject("Microsoft.XMLHTTP");} // Para o IE da MS
catch(E)
{ajax = false;}
}
}
return ajax;
}

/*******************************************
PARA ABRIR O CONTEÚDO
********************************************/
// url = página que deseja abrir
// conteudoID = id do div onde o conteúdo será carregado
function abreConteudo(url,conteudoID)
{
if (conteudoID == 'fotos')
	this.document.location='#topo';
if (conteudoID == 'detalhe_fotos')
	this.document.location='#topo1';

// Inicia o Ajax.
//alert(conteudoID.id);
var ajax = openAjax();

// Envia o termo da busca como uma querystring para o filtro
ajax.open("GET", url, true);

ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
ajax.onreadystatechange = function()
{
// Quando estiver carregando, exibe: carregando...
if (ajax.readyState == 1)
document.getElementById(conteudoID).innerHTML = "<center>Carregando...</center>";

if(ajax.readyState == 4 && ajax.status==200)
{
document.getElementById(conteudoID).innerHTML = "";

var texto = ajax.responseText;
texto = texto.replace(/\+/g," ");
texto = unescape(texto);
document.getElementById(conteudoID).innerHTML = texto;
}
}
ajax.send(null)
}



<!-- MOSTRA OU ESCONDE MENUS -->
function menu_on(menu){ 
	document.getElementById(menu).style.visibility = 'visible';
}

function menu_off(menu){ 
	document.getElementById(menu).style.visibility = 'hidden';
}