startList = function() {
if (document.all&&document.getElementById) {
navRoot = document.getElementById("secondarynav");
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 showhide(myItem){
var myItem = document.getElementById(myItem);
if (myItem.style.display != "none") {
myItem.style.display = "none";
}
else {
myItem.style.display = "block";
}
}

function showhideall(){
	var nowopen;
	nowopen = 0;
	for(i=1; i<90; i++) {
		tester = document.getElementById(i);
		if (tester.style.display != "none") {
			nowopen++;
			}
	}
	if (nowopen < 45) {
		for(i=1; i<90; i++) {
			myItem = document.getElementById(i);
			myItem.style.display = "block";
		}
	}
	else {
		for(i=1; i<90; i++) {
			myItem = document.getElementById(i);
			myItem.style.display = "none";
		}
}
}