function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		prev_over = newImage("http://www.great-oakley.co.uk/i/menu-prev_over.gif");
		next_over = newImage("i/menu-next_over.gif");
		home_over = newImage("i/menu-home_over.gif");
		aboutus_over = newImage("i/tab-aboutus-cont-on.gif");
		contact_over = newImage("i/tab-contact-cont-on.gif");
		preloadFlag = true;
	}
}


function blurAnchors(){
  if(document.getElementsByTagName){
    var a = document.getElementsByTagName("a");
    for(var i = 0; i < a.length; i++){
      a[i].onfocus = function(){this.blur()};
    }
  }
}

window.onload = function() { 
  blurAnchors();
  preloadImages();
}

var win = null;
function NewWindow(mypage,myname,w,h,scroll){
LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',directories=no,location=no,toolbar=no,menubar=no,scrollbars='+scroll+',status=no,resizable=no'
win = window.open(mypage,myname,settings)
}