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 showList(elId) {
	elUl = document.getElementById(elId);
	if (elUl.style.display == 'none')
		elUl.style.display = 'block';
	else
		elUl.style.display = 'none';
	str = 'h1';
	elem = document.getElementById(str);
	i = 0;
	while (elem != null) {
		
		i++;
		str = 'h' + String(i);
		elem = document.getElementById(str);
	} 
}