function rollover(link,id,roll) {
  if(document.images) {
    im            = document.images[id];
    im.reg      = new Image();
    im.roll     = new Image();
    im.reg.src  = document.images[id].src;
    im.roll.src = roll;
    im.src        = im.roll.src;
    link.onmouseout  = new Function("var im=document."+id+"; im.src=im.reg.src;");
    link.onmouseover = new Function("var im=document."+id+"; im.src=im.roll.src;");
  }
}

function Expand(item1, item2) {
	document.getElementById(item1).style.display = "inline";
	document.getElementById(item2).style.display = "none";
}

function ShowItem(item1) {
	document.getElementById(item1).style.display = "";
}