code: function(node, id, propertyName) {
  			var rootids = [];
  			if(!modules.domUtils.hasAttribute(node,'rootids')){
  				return false;
  			} else {
  				rootids = modules.domUtils.getAttributeList(node, 'rootids');
  				return (rootids.indexOf('id' + id + '-' + propertyName) > -1);
  			}
  		}
docs: does a given node already have a rootid
  
  @param  {DOM Node} node
  @param  {String} id
  @param  {String} propertyName
  @return {Boolean}