// JavaScript Document
var xmlHttp
var logoId = 0;

function rotateImg() {
	if (logoId > 22) {
		logoId = 0;
	}
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null) {
		alert ("Your browser does not support AJAX!");
		return;
	} 
	var url="/glo/aj/customer_rotate.php";
	url=url+"?logo="+logoId;
	url=url+"&sid="+Math.random();
	//alert(url);
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
	logoId++;
}

function GetXmlHttpObject() {
	var xmlHttp=null;
	try {
	  // Firefox, Opera 8.0+, Safari
	  xmlHttp=new XMLHttpRequest();
	} catch (e) {
		// Internet Explorer
		try {
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}

function stateChanged() { 
	if (xmlHttp.readyState==4){ 
		document.getElementById("customer-logo").innerHTML=xmlHttp.responseText;
	}
}

setInterval('rotateImg()', 2000);