function mostraTBody(id){
	if (document.getElementById(id).style.display=='') {
		document.getElementById(id).style.display='none';
	} else {
		document.getElementById(id).style.display='';
	}
}
///////////////////////////////////=======================================
// funcao para centralizar página	
function centraliza(w,h){
	largura = w;
	altura = h;
	if (parseInt(navigator.appVersion) >= 4) 
		window.moveTo((screen.width/2)-(largura/2+10),(screen.height/2)-(altura/2+20));
}

function getFlashMovieObject(movieName)
{
  if (window.document[movieName]) 
  {
    return window.document[movieName];
  }
  if (navigator.appName.indexOf("Microsoft Internet")==-1)
  {
    if (document.embeds && document.embeds[movieName])
      return document.embeds[movieName]; 
  }
  else // if (navigator.appName.indexOf("Microsoft Internet")!=-1)
  {
    return document.getElementById(movieName);
  }
}

function mudarImagem(no,leg) {
	    var agt=navigator.userAgent.toLowerCase();
		var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
					&& (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
					&& (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1));
		var is_ie     = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
	  if(is_ie){
		  var table = 1;
		  var tbody = 0;
		  var start = 0;
		  var incremento = 1;
	  }else if(is_nav){	  
		  var table = 2;
		  var tbody = 1;
		  var start = 2;
		  var incremento = 2;
	  }	
	
    var fotos = document.getElementById('fotos');
    var thumbs = document.getElementById('thumbs');
    var legenda = document.getElementById('legenda');

    for (var i=start; i<thumbs.childNodes.length; i=i+incremento) {
        if (thumbs.childNodes[i].firstChild) {
            if (thumbs.childNodes[i].firstChild.className == 'ativo') {
                var activeNr = thumbs.childNodes[i].className;
                activeNr = activeNr.substr(1,2);
            }
            thumbs.childNodes[i].firstChild.className = "";
        }
    }
	
    for (var i=start; i<thumbs.childNodes.length; i=i+incremento) {
        if (thumbs.childNodes[i].firstChild && thumbs.childNodes[i].className == "s" + no) {
            thumbs.childNodes[i].firstChild.className = 'ativo';
            var regEx = new RegExp (activeNr, 'gi');
            oldSrc = fotos.childNodes[table].childNodes[tbody].src;
            fotos.childNodes[table].childNodes[tbody].src = oldSrc.replace(regEx, no);
			legenda.innerHTML = leg;
        }
    }
	
}