var active = false;

function mm_ativar(){
active = true;
}

function load_start(){
document.getElementById('div_load').style.visibility='visible';
}

function load_end(){
document.getElementById('div_load').style.visibility='hidden';
}

function load_page(page){
document.getElementById('if_load').src=page;
}

function clean_loaded(){
document.getElementById('div_receiver').style.visibility = 'hidden';
document.getElementById('div_receiver').innerHTML='';
}

function show_full(div){
document.getElementById(div).style.visibility='visible';
}

function hide_full(div){
document.getElementById(div).style.visibility='hidden';
}

function submit_form(form_name){
hide_full('div_receiver');
load_start();
document.forms[form_name].submit();
}