/* Define o http. */
function getHTTPObject() {
	var req;
	req = false;
    // branch for native XMLHttpRequest object
    if(window.XMLHttpRequest) {
    	try {
			req = new XMLHttpRequest();
        } catch(e) {
			req = false;
        }
    // branch for IE/Windows ActiveX version
    } else if(window.ActiveXObject) {
       	try {
        	req = new ActiveXObject("Msxml2.XMLHTTP");
      	} catch(e) {
        	try {
          		req = new ActiveXObject("Microsoft.XMLHTTP");
        	} catch(e) {
          		req = false;
        	}
		}
    }
	return req;
}
var req = getHTTPObject();

/* Carrega o endereço que for passado para depois a função "especificada" tratar. */
function Load(endereco,funcao) {
	req.open("GET", endereco, true);
	req.onreadystatechange = funcao;
	req.send(null);
	return false;
}