function navPreload(){
	var nav = new Array()
	nav[0] = new Image()
	nav[0].src = "images/nav/home_hover.gif"
	nav[1] = new Image()
	nav[1].src = "images/nav/about_hover.gif"
	nav[2] = new Image()
	nav[2].src = "images/nav/blog_hover.gif"
	nav[3] = new Image()
	nav[3].src = "images/nav/people_hover.gif"
	nav[4] = new Image()
	nav[4].src = "images/nav/publications_hover.gif"
	nav[5] = new Image()
	nav[5].src = "images/nav/media_appearances_hover.gif"
	nav[6] = new Image()
	nav[6].src = "images/nav/recomended_reading_hover.gif"
	nav[7] = new Image()
	nav[7].src = "images/nav/press_releases_hover.gif"
	nav[8] = new Image()
	nav[8].src = "images/nav/contact_hover.gif"
}
window.onload = navPreload;