if (typeof this['dwr'] == 'undefined') this.dwr = {};
if (typeof dwr['engine'] == 'undefined') dwr.engine = {};

if (typeof this['comparison'] == 'undefined') this.comparison = {};

comparison._path = '/kangurum3-web/dwr';

comparison.addToComparison = function(p1, p2, p3, callback) {
dwr.engine._execute(comparison._path, 'comparison', 'addToComparison', false, p1, p2, p3, callback);
};

comparison.removeFromComparison = function(p1, p2, callback) {
dwr.engine._execute(comparison._path, 'comparison', 'removeFromComparison', false, p1, p2, callback);
};