<!--
	if (document.images) {
		var aa = new Image()
		aa.src = "images/navigation/bt_Home_Off.gif"
		var az = new Image()
		az.src = "images/navigation/bt_Home_On.gif"
		var ba = new Image()
		ba.src = "images/navigation/bt_Qualifications_Off.gif"
		var bz = new Image()
		bz.src = "images/navigation/bt_Qualifications_On.gif"
		var ca = new Image()
		ca.src = "images/navigation/bt_Results_Off.gif"
		var cz = new Image()
		cz.src = "images/navigation/bt_Results_On.gif"
		var da = new Image()
		da.src = "images/navigation/bt_Staff_Off.gif"
		var dz = new Image()
		dz.src = "images/navigation/bt_Staff_On.gif"
		var ea = new Image()
		ea.src = "images/navigation/bt_Facilities_Off.gif"
		var ez = new Image()
		ez.src = "images/navigation/bt_Facilities_On.gif"
		var fa = new Image()
		fa.src = "images/navigation/bt_Contact_Off.gif"
		var fz = new Image()
		fz.src = "images/navigation/bt_Contact_On.gif"
	}
	function act(imgName) {
		if (document.images)
			document[imgName].src = eval(imgName + 'z.src')
	}
	function inact(imgName) {
		if (document.images)
			document[imgName].src = eval(imgName + 'a.src')
	}
// -->