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("Essebrowser n&atilde;o tem recursos para uso do Ajax");

req = null;
}
}
}

return req;
}
