// AA Nav Rollover

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.getElementById(changeImages.arguments[i]).src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		preload1 = newImage("images/buttons/home_f2.gif");
		preload2 = newImage("images/buttons/signage_f2.gif");
		preload3 = newImage("images/buttons/height-safety_f2.gif");
		preload4 = newImage("images/buttons/rope-access_f2.gif");	
		preload5 = newImage("images/buttons/building-maintenance_f2.gif");
		preload6 = newImage("images/buttons/remedial-repair_f2.gif");
		preload7 = newImage("images/buttons/confined-spaces_f2.gif");
		preload8 = newImage("images/buttons/cleaning_f2.gif");
		preload9 = newImage("images/buttons/painting_f2.gif");
		preload10= newImage("images/buttons/inspection_f2.gif");
		preload11 = newImage("images/buttons/rigging_f2.gif");		
		preload12 = newImage("images/buttons/geotechnical_f2.gif");
		preload13= newImage("images/buttons/projects_f2.gif");
		preload14 = newImage("images/buttons/about_f2.gif");		
		preload15 = newImage("images/buttons/contact_f2.gif");	
		preload16 = newImage("images/abseilerQuote_over.gif");

		preloadFlag = true;
	}
}