image1 = new Image()
image1.src="sidebar.gif"
image2 = new Image()
image2.src="sidebar/sidebar.research.gif"
image3 = new Image()
image3.src="sidebar/sidebar.people.gif"
image4 = new Image()
image4.src="sidebar/sidebar.lab.gif"
image5 = new Image()
image5.src="sidebar/sidebar.papers.gif"
image6 = new Image()
image6.src="sidebar/sidebar.class.gif"
image7 = new Image()
image7.src="sidebar/sidebar.links1.gif"
image8 = new Image()
image8.src="sidebar/sidebar.pics.gif"
image9 = new Image()
image9.src="sidebar/sidebar.movies.gif"
image10 = new Image()
image10.src="sidebar/sidebar.home.gif"
image11 = new Image()
image11.src="sidebar/sidebar.facebook.gif"
image12 = new Image()
image12.src="sidebar/sidebar.youtube.gif"

function original() {
document.sidebar.src=image1.src; return true;
}
function research() {
document.sidebar.src=image2.src; return true;
}
function people() {
document.sidebar.src=image3.src; return true;
}
function lab() {
document.sidebar.src=image4.src; return true;
}
function papers() {
document.sidebar.src=image5.src; return true;
}
function classes() {
document.sidebar.src=image6.src; return true;
}
function links1() {
document.sidebar.src=image7.src; return true;
}
function pics() {
document.sidebar.src=image8.src; return true;
}
function movies() {
document.sidebar.src=image9.src; return true;
}
function home1() {
document.sidebar.src=image10.src; return true;
}
function facebook() {
document.sidebar.src=image11.src; return true;
}
function youtube() {
document.sidebar.src=image12.src; return true;
}

image13 = new Image()
image13.src="banner.gif"
image14 = new Image()
image14.src="sidebar/banner.yamadalab.gif"
image15 = new Image()
image15.src="sidebar/banner.ucdavis.gif"

function banner1() {
document.banner.src=image13.src; return true;
}
function yamadalab() {
document.banner.src=image14.src; return true;
}
function ucdavis() {
document.banner.src=image15.src; return true;
}