//SET ARRAYS FOR DATE

  var d = new Array(
  "Sunday",
  "Monday",
  "Tuesday",
  "Wednesday",
  "Thursday",
  "Friday",
  "Saturday"
  );
  var m = new Array(
  "January",
  "February",
  "March",
  "April",
  "May",
  "June",
  "July",
  "August",
  "September",
  "October",
  "November",
  "December"
  );
  var today = new Date();
  var day = today.getDate();
  var year = today.getYear();
  if (year < 2000)    // Y2K Fix, Isaac Powell
  year = year + 1900; // http://onyx.idbsu.edu/~ipowell
  end = "th";
  if (day==1 || day==21 || day==31) end="st";
  if (day==2 || day==22) end="nd";
  if (day==3 || day==23) end="rd";
  day+=end;
  
var head1 = new Image();
head1.src = 'images/header.jpg';

var head2 = new Image();
head2.src = 'images/header2.jpg';
  
setInterval ( "toggleHeader()", 5000 );

function toggleHeader() {
	if(document.getElementById('header').style.backgroundImage == "url(http://www.number1letting.co.uk/images/header.jpg)") {
		document.getElementById('header').style.backgroundImage = "url(http://www.number1letting.co.uk/images/header2.jpg)"
		var header = false;
	} else {
		document.getElementById('header').style.backgroundImage = "url(http://www.number1letting.co.uk/images/header.jpg)"
		var header = true;
	}
}