$(document).ready(function() {
	var numImgs = 7;
	var img = new Array("01", "02", "03", "04", "05", "06", "07");
	var headImg = $("#headImg").text();
//	if(window.headImg === undefined){
	if(!headImg){
		var currentTime = new Date()
		var headImg = currentTime.getMilliseconds();
		headImg = headImg % numImgs;
	}
	var src = "templates/siteground-j15-42/images/headers-" + img[headImg] + ".jpg"; 
	$("#header").css('backgroundImage','url(' + src +')'); 
});