function TrocaImagem(strNomeImagem){
top.document.getElementById('imagemsessao').innerHTML = "<img src='"+ strNomeImagem +"' width='459' height='75'>";
}
function popupmg(){
    window.open('popup_mg.php','popup','scrollbars=no,toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=no,width=400,height=330');
    }

function popupsp(){
    window.open('popup_sp.php','popup','scrollbars=no,toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=no,width=400,height=330');
    }

function popuprj(){
    window.open('popup_rj.php','popup','scrollbars=no,toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=no,width=400,height=330');
    }

function popupmrsok(){
    window.open('popup_mrs_ok.php','popup','scrollbars=no,toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=no,width=780,height=551');
    }