function tela_cheia( aURL )
{
   var wOpen;
   var sOptions;

   sOptions = 'status=no,menubar=no,scrollbars=no,resizable=no,toolbar=no';
   sOptions = sOptions + ',width=' + (screen.availWidth - 10).toString();
   sOptions = sOptions + ',height=' + (screen.availHeight - 122).toString();
   sOptions = sOptions + ',screenX=0,screenY=0,left=0,top=0';

   wOpen = window.open( '', '_blank', sOptions );
   wOpen.location = aURL;
   wOpen.focus();
   wOpen.moveTo( 0, 0 );
   wOpen.resizeTo( screen.availWidth, screen.availHeight );
   wOpen.focus();
   return wOpen;
}

function tela_normal( aURL,larg,alt )
{
   var wOpen;
   var sOptions;

   sOptions = 'status=no,menubar=no,scrollbars=no,resizable=no,toolbar=no';
//   sOptions = sOptions + ',width=' + (screen.availWidth - 10).toString();
//   sOptions = sOptions + ',height=' + (screen.availHeight - 122).toString();
   sOptions = sOptions + ',width=' + (larg);
   sOptions = sOptions + ',height=' + alt;
   sOptions = sOptions + ',screenX=0,screenY=0,left=0,top=0';

   wOpen = window.open( '', '_blank', sOptions );
   wOpen.location = aURL;
   wOpen.focus();
   wOpen.moveTo( 0, 0 );
   //wOpen.resizeTo( screen.availWidth, screen.availHeight );
   wOpen.focus();
   return wOpen;
}

function video(url)  
 {
  window.open(url, "Vídeo", "directories=no,height=340,width=360,location=no,menubar=no,resizable=no,scrollbars=no,status=no,toolbar=no,copyhistory=no");
 }