function proc_http(asp,elemento)
{ 
    var XMLHttp=null
    if (window.XMLHttpRequest)
        {XMLHttp=new XMLHttpRequest()}
    else if (window.ActiveXObject)
        {XMLHttp=new ActiveXObject("Microsoft.XMLHTTP")}
    if (XMLHttp==null) {
        alert ("Browser does not support HTTP Request")
        return } 

    elmt=document.getElementById(elemento)
    XMLHttp.open("POST",asp,false)
    XMLHttp.send(asp)
    if (elmt!=null)
       { elmt.innerHTML=XMLHttp.responseText }
}

function buildPOST(theFormName) 
{ 
    theForm = document.forms[theFormName]; 
    var qs = '' 
    for (e=0;e<theForm.elements.length;e++) { 
        if (theForm.elements[e].name!='') { 
            var name = theForm.elements[e].name; 
            qs+=(qs=='')?'':'&' 
            qs+= name+'='+escape(theForm.elements[e].value); 
        } 
    } 
    qs+="\n"; 
    return qs 
}
  function proc_form(asp,elemento,form)
{ 
    var xmlMessage = buildPOST(form); 
    var XMLHttp=null
    if (window.XMLHttpRequest)
        {XMLHttp=new XMLHttpRequest()}
    else if (window.ActiveXObject)
        {XMLHttp=new ActiveXObject("Microsoft.XMLHTTP")}
    if (XMLHttp==null) {
        alert ("Browser does not support HTTP Request")
        return } 
    elmt=document.getElementById(elemento)
    XMLHttp.open("POST",asp,false)
    XMLHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
    XMLHttp.send(xmlMessage)
    if (elmt!=null) { elmt.innerHTML=XMLHttp.responseText }
}
function boxCarregando() {
	var span = document.createElement ("span"); 
	var img = document.createElement ("img"); 

	img.src = "images/indicator.gif";
	span.id = "loading";
	img.align = "absmiddle";
	img.id = "carregando";
	img.style.display = '';
	
	document.getElementById('conteudo').appendChild(img);
}
function hideBox() {
	document.body.removeChild(carregando);
}