// JavaScript Document

startList = function() {
if (document.all&&document.getElementById) {
navRoot = document.getElementById("dmnav");
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 toggle(id){
	ul = "ul_" + id;
	img = "img_" + id;
	displaytxt="viewrxnorm";
	ulElement = document.getElementById(ul);
	imgElement = document.getElementById(img);
	ancElement=document.getElementById(displaytxt);
	if (ulElement){
		if (ulElement.className == 'rxnormclosed'){
			ulElement.className = "rxnormopen";
			ancElement.lastChild.nodeValue="Hide RxNorm";
			ancElement.title="Link to hide RxNorm Normal Forms";
			imgElement.src = "images/opened.gif";
			}else{
			ulElement.className = "rxnormclosed";
			ancElement.lastChild.nodeValue="Review RxNorm Normal Forms"; 
			ancElement.title="Link to Review RxNorm Normal Forms";
			imgElement.src = "images/closed.gif";
			}
		}
	}
	
function nlmftoc(id)	{
		var dmsectionsfieldsetdiv = element1=document.getElementById("dmsectionsfieldset");
		var nlmftocdiv = document.getElementById("nlmftoc");
		var ftoc = nlmftocdiv.getElementsByTagName("table");
		var nlmhighlightsdiv = document.getElementById("nlmhighlightsmarker")
		var backtodmsectionsIcon = document.getElementById("backtodmsections")
		var fieldset = dmsectionsfieldsetdiv.getElementsByTagName("fieldset")[0];
		var tabletomove = nlmftocdiv.getElementsByTagName("table")[0];

	if (id=='backtodmsections')
	{
		backtodmsectionsIcon.style.display="none";
		nlmhighlightsdiv.style.display="block";
		nlmftocdiv.style.display="block";
		fieldset.style.display="block";
		dmsectionsfieldsetdiv.getElementsByTagName("table")[0].parentNode.style.display="none";
		nlmftocdiv.getElementsByTagName("span")[0].style.display="none";
	} 
	else 
	{
			nlmhighlightsdiv.style.display="none";
			backtodmsectionsIcon.style.display="block";
			if ( dmsectionsfieldsetdiv.getElementsByTagName("table")[0] == null){
				var newdata = document.createElement("span");
				newdata.innerHTML = nlmftocdiv.innerHTML;
				dmsectionsfieldsetdiv.appendChild(newdata);
			}
			dmsectionsfieldsetdiv.getElementsByTagName("span")[0].style.display="block";
			fieldset.style.display="none";
			nlmftocdiv.style.display="none";
	}
}