var getChildren = exports.getChildren = function(elem){

return elem.children;

};

var getParent = exports.getParent = function(elem){

return elem.parent;

};

exports.getSiblings = function(elem){

var parent = getParent(elem);
return parent ? getChildren(parent) : [elem];

};

exports.getAttributeValue = function(elem, name){

return elem.attribs && elem.attribs[name];

};

exports.hasAttrib = function(elem, name){

return !!elem.attribs && hasOwnProperty.call(elem.attribs, name);

};

exports.getName = function(elem){

return elem.name;

};