startList = function() {
if (document.all&&document.getElementById) {
navRoot = document.getElementById("nav");
for (i=0; i<navRoot.childNodes.length; i++) {
node = navRoot.childNodes[i];
if (node.nodeName=="LI") {
node.onmouseover=function() {
this.className+=" over";
  }
  node.onmouseout=function() {
  this.className=this.className.replace(" over", "");
   }
   }
  }
 }
}
window.onload=startList;


function formDD(dd)
{
var URL = dd.options[dd.selectedIndex].value;
window.location.href = URL;
}


function changeImage(filename)
{
document.getElementById('image') .src = filename;
}

function changeCaption(text)
{
document.getElementById('caption') .innerHTML = text;
}