var httpObject = getHTTPObject ();

function getHTTPObject () {       
if(window.XMLHttpRequest){    
        // Firefox, Opera 8.0+, Safari --- Nativos
        return new XMLHttpRequest();
  
    } else{   
        var msxmls = new Array(
            'Msxml2.XMLHTTP.5.0',
            'Msxml2.XMLHTTP.4.0',
            'Msxml2.XMLHTTP.3.0',
            'Msxml2.XMLHTTP',
            'Microsoft.XMLHTTP');
        for(var i = 0; i < msxmls.length; i++){
            try{
                return new ActiveXObject(msxmls[i]);
            } catch (e){
            }
        }
        throw new Error("Sem suporte a Ajax!");
    }

}

function setOutput() {
	if (httpObject.readyState == 4){
		return httpObject.responseText;
	//	document.getElementById('outputText').value = httpObject.responseText;
		}
	}

function setVotoAssist(){
var	valorVoto = 5;
var	NOS = 4893;	

 if (httpObject != null){	
// httpObject.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
// httpObject.open("POST", "phpajax.php",true)
 httpObject.open("GET","phpajax.php?NOS=4893",true);
 httpObject.send(null);
 setOutput();
 }
 }