fotita = 0;
<!--
function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);
//-->
function troca(){
	if(fotita == 0){
		classe = "visivel";
		fotita = 1;
	}else if(fotita == 1){
		classe = "invisivel";
		fotita = 0;
	}
	document.getElementById("foto").className = classe;
}

function falador(txt){
	alert(txt);
	}


function ABRE(varPage, name, largura, altura, scroller){
	if (scroller == '') {
		scroller = 'no';
	}
	
	ltela = screen.width;
	atela = screen.height;
	
	margen_lat = (ltela / 2) - (largura / 2) - 4;
	margen_top = (atela / 2) - (altura / 2) - 30;
	window.open(varPage, name, "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars="+ scroller +",resize=no,copyhistory=no,width="+ largura +",height="+ altura +",top="+ margen_top +",left="+ margen_lat +"");
}

function confirma(texto,url){
	var answer = confirm(texto)
	if (answer){window.location=url;}
	}