// ActionScript Communications Document
var req;
var isIE;

//inicia o XMLHttpRequest
function initRequest(url) {
	if (window.XMLHttpRequest) {
		req = new XMLHttpRequest();
	} else if (window.ActiveXObject) {
		isIE = true;
		req = new ActiveXObject("Microsoft.XMLHTTP");
	}
}



<!-- CONSULTA SOFTWARE //-->
//chama a página de consulta de software
function consSoftware() {
	var PROCODIGO = document.getElementById("PROCODIGO").value;

	var url = "consulta_ajax.php?sAcao=consSoftware&PROCODIGO="+escape(PROCODIGO);
	initRequest(url);
	req.open("GET", url, true);
	req.onreadystatechange = procSoftware;
	req.send(null);
}