function nodeMgmt(directoryID) {		  
 if(document.all['control'+directoryID].innerText == '+') {
  parent.frames.treeData.location.href='includes/_getTreeData.cfm?directoryID='+directoryID;
  document.all['control'+directoryID].innerText='-';	
  document.images['folderIcon'+directoryID].src='/frame-images/sitemap/folderopen.gif';      
 }
 else {      
  if(document.all['treeNode'+directoryID].children.length > 0) {
   if(document.all['childContainer'+directoryID]) {
    document.all['treeNode'+directoryID].removeChild(document.all['childContainer'+directoryID]);	 
   }
  }
  document.all['control'+directoryID].innerText='+';
  document.images['folderIcon'+directoryID].src='/frame-images/sitemap/folderclosed.gif';
 }	     	    
}