alt0 = new Image();
alt0.src = "white.gif";
alt1 = new Image();
alt1.src = "hg_banner.gif";
alt2 = new Image();
alt2.src = "jg_banner.gif";
graphic1= new Image();
graphic1.src = "but1.gif";
graphic1on = new Image();
graphic1on.src = "but1b.gif
graphic2= new Image();
graphic2.src = "but2.gif";
graphic2on = new Image();
graphic2on.src = "but2b.gif
