// The min version of MooTools required by the plugin var min_javascript_version = '1.3.2'; // The desired version of MooTools to use in the plugin var desired_javascript_version = '1.3.2'; // If MooTools is already loaded and is outdated if(window.MooTools && MooTools.version < min_javascript_version){ // Throw an alert that the version currently loaded doesn't meet the requirements alert('Alert! MooTools version ' + MooTools.version + ' has been detected. Please upgrade MooTools to version ' + min_javascript_version + ' or later before using weaverPix.'); }