/*

WEB4RTE: http://www.web4rte.com
Autor: J. Benito

*/
function criaXHR(){
	var objxmlhttp = null;
	try{
		objxmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	}catch(e){
		try{
			objxmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		}catch(ex){
			try{
				objxmlhttp = window.XMLHttpRequest();
			}catch(exp){
				objxmlhttp = null;
			}
		}
	}

	if(objxmlhttp == null){
		alert("O Objeto XMLHttpRequest não pôde ser criado\n" );
	}

	return objxmlhttp;
}