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

var http = createObject();

function changeses() {
	var nocache = 0;
	nocache = Math.random();
	http.open('get', 'modules/topmenuvizible.php');
	http.send(null);
}