code: function(node){
  			var context = this,
  				children = [],
  				child,
  				classes,
  				items = [],
  				out = [];
  
  			classes = this.getUfClassNames(node);
  			// if it is a root microformat node
  			if(classes && classes.root.length > 0){
  				items = this.walkTree(node);
  
  				if(items.length > 0){
  					out = out.concat(items);
  				}
  			}else{
  				// check if there are children and one of the children has a root microformat
  				children = modules.domUtils.getChildren( node );
  				if(children && children.length > 0 && this.findRootNodes(node, true).length > -1){
  					for (var i = 0; i < children.length; i++) {
  						child = children[i];
  						items = context.walkRoot(child);
  						if(items.length > 0){
  							out = out.concat(items);
  						}
  					}
  				}
  			}
  			return out;
  		}
docs: starts the tree walk to find microformats
  
  @param  {DOM Node} node
  @return {Array}