//Script Usado no Site Mad comunica??o
try{
    xmlhttp = new XMLHttpRequest();
}
catch(ee){
    try{
        xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch(e){
        try{
            xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
        }
            catch(E){
                xmlhttp = false;
            }
    }
}
div_base = "";
function abre(arquivo,metodo,div){
    div_base = div;
    xmlhttp.open(metodo,arquivo);
    xmlhttp.onreadystatechange=conteudo
    xmlhttp.send(null)
}
function conteudo() {
    nova_div = div_base;
    document.getElementById(nova_div).innerHTML="<div style='top:58%;left:58%;position:absolute;'><img src='img/loader.gif' border='0' width='32' height='32' /></div>"
    if (xmlhttp.readyState==4){
        document.getElementById(nova_div).innerHTML=xmlhttp.responseText
    }
}