var button = new Array();
  button[0]= new Image();
  button[0].src = "home_white.gif";
  button[1]= new Image();
  button[1].src = "home_charcoal.gif";
  button[2]= new Image();
  button[2].src = "about_white.gif";
  button[3]= new Image();
  button[3].src = "about_charcoal.gif";
  button[4]= new Image();
  button[4].src = "contact_white.gif";
  button[5]= new Image();
  button[5].src = "contact_charcoal.gif";

function mover(name,list,index)
{
  name.src = list[index].src
}