function createRequestObject() {
    var ro;
    var browser = navigator.appName;
    if(browser == "Microsoft Internet Explorer"){
        ro = new ActiveXObject("Microsoft.XMLHTTP");
    }else{
        ro = new XMLHttpRequest();
    }
    return ro;
}

var http = createRequestObject();

function sndReq(id, status) {
    http.open('get', 'update.php?id='+id+'&status='+status);
    http.onreadystatechange = handleResponse;
    http.send(null);
}

function sndEventReq(id, status) {
    http.open('get', 'updateevent.php?id='+id+'&status='+status);
    http.onreadystatechange = handleResponse;
    http.send(null);
}

function handleResponse() {
    if(http.readyState == 4){
        var response = http.responseText;
        var update = new Array();

        if(response.indexOf('|' != -1)) {
            update = response.split('|');
            document.getElementById(update[0]).innerHTML = update[1];
        }
    }
}


<!-- Begin ajax form processing
function submitForm(f){
	if(window.XMLHttpRequest){
		var xmlReq = new XMLHttpRequest();
	} else if(window.ActiveXObject) {
		var xmlReq = new ActiveXObject('Microsoft.XMLHTTP');
	}
	var formData = '', elem = '';
	for(var s=0; s<f.elements.length; s++){
		elem = f.elements[s];
		if(formData != ''){
			formData += '&';
		}
		formData += elem.name+"="+elem.value;
		}
		xmlReq.onreadystatechange = function(){
		if(xmlReq.readyState == 4){
			document.getElementById('insert').innerHTML = xmlReq.responseText;
		}
	}
	xmlReq.open(f.method, f.action, true);
	xmlReq.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	xmlReq.send(formData);
return false;
}
--> End
<!--
function backToTop() {
    var x1 = x2 = x3 = 0;
    var y1 = y2 = y3 = 0;

    if (document.documentElement) {
        x1 = document.documentElement.scrollLeft || 0;
        y1 = document.documentElement.scrollTop || 0;
    }

    if (document.body) {
        x2 = document.body.scrollLeft || 0;
        y2 = document.body.scrollTop || 0;
    }

    x3 = window.scrollX || 0;
    y3 = window.scrollY || 0;

    var x = Math.max(x1, Math.max(x2, x3));
    var y = Math.max(y1, Math.max(y2, y3));

    window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));

    if (x > 0 || y > 0) {
        window.setTimeout("backToTop()", 25);
    }
}
-->