function start_looking() {
  window.document.images['Myself'].src = "Images/Header_Looking.gif";
}

function stop_looking() {
  window.document.images['Myself'].src = "Images/Header_Head.gif";
}

function select(name) {
  window.document.images[name].src = "Images/"+name+"_Selected.gif";
}

function unselect(name) {
  window.document.images[name].src = "Images/"+name+".gif";
}