function navPreload(){
	var nav = new Array()
	nav[0] = new Image()
	nav[0].src = "images/nav/home_over.jpg"
	nav[1] = new Image()
	nav[1].src = "images/nav/about_over.jpg"
	nav[2] = new Image()
	nav[2].src = "images/nav/newsevents_over.jpg"
	nav[3] = new Image()
	nav[3].src = "images/nav/schools_over.jpg"
	nav[4] = new Image()
	nav[4].src = "images/nav/employers_over.jpg"
	nav[5] = new Image()
	nav[5].src = "images/nav/projectsprogrammes_over.jpg"
	nav[6] = new Image()
	nav[6].src = "images/nav/contact_over.jpg"
}
window.onload = navPreload;