var xmlHttp;

function newXMLHttpRequest() {
    if (window.ActiveXObject) {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
    } else if (window.XMLHttpRequest) {
        xmlHttp = new XMLHttpRequest();
    }
}

function toggle(){
	newXMLHttpRequest();
	xmlHttp.open("GET","/wp-content/themes/rossnoble/volume/cookieset.php",true);
    xmlHttp.send(null);

	
	if(volume=='off'){
	   obj.src="https://www.rossnoble.co.uk/wp-content/themes/rossnoble/volume/on.png";
	   volume='on';
	   
       newXMLHttpRequest();
	   xmlHttp.onreadystatechange = updatesound;
	   xmlHttp.open("GET","/wp-content/themes/rossnoble/volume/sound.html",true);
       xmlHttp.send(null);

	} else {
	   obj.src="https://www.rossnoble.co.uk/wp-content/themes/rossnoble/volume/off.png";
	   volume='off';
	   document.getElementById('sound').innerHTML='';
	}
}

function updatesound(){
	if (xmlHttp.readyState == 4 && xmlHttp.status == 200){
		document.getElementById("sound").innerHTML = xmlHttp.responseText;
	}
}