function ajaxInit() {
var req;

try {
 req = new ActiveXObject("Microsoft.XMLHTTP");
} catch(e) { 
 try {
  req = new ActiveXObject("Msxml2.XMLHTTP");
 } catch(ex) {
  try {
   req = new XMLHttpRequest();
  } catch(exc) {
   alert("Esse browser não tem recursos para uso do Ajax");
   req = null;
  }
 }
}

return req;
}

function RetornaValores(form)
{
	var vals = "";
	for(i=0;i<form.length;i++)
	{
		var nVal = "";
		nVal = form.elements[i].value;
		for(k=0;k<nVal.length;k++)
		{
			nVal = nVal.replace('\n','<br>');
		}
		var tipo = form.elements[i].type.toLowerCase();
		if(tipo != "checkbox" && tipo != "radio")
		{
			vals += form.elements[i].name+"="+nVal+"&";
        }
		else
		{
            if(form.elements[i].checked)
			{
				vals += form.elements[i].name+"="+nVal+"&";
            }
        }
	}
	return vals;
}