jQuery(document).ready(function($) {
	 setInterval(imgRotate, 5000);
});

function imgRotate() {
	
	$.ajax({
		url: "getFile.php",
		data: {},
		success: onImgRotateSuccess		
	});
}

function onImgRotateSuccess(data) {
	var data = JSON.parse(data);	
	$("#img_rotate").attr("src", data.url);
}<b>x<br><br>Windows NT KPTV 6.2 build 9200 (Windows Server 2012 Datacenter Edition) i586<br></b>