code: function(node, id, propertyName) {
  			if(this.hasRootID(node, id, propertyName) === false){
  				var rootids = [];
  				if(modules.domUtils.hasAttribute(node,'rootids')){
  					rootids = modules.domUtils.getAttributeList(node,'rootids');
  				}
  				rootids.push('id' + id + '-' + propertyName);
  				modules.domUtils.setAttribute(node, 'rootids', rootids.join(' '));
  			}
  		}
docs: appends a new rootid to a given node
  
  @param  {DOM Node} node
  @param  {String} id
  @param  {String} propertyName