Getting main module for a SugarCRM page

gistfile1.js

if ( typeof(MyCustomJs) == 'undefined' ) MyCustomJs = {};
if ( typeof(MyCustomJs.Helper) == 'undefined' ) MyCustomJs.Helper = {};

MyCustomJs.Helper.getCurrentModuleName = function() {
    if (typeof module_sugar_grp1 != "undefined") {
        return module_sugar_grp1;
    }

    var url = YAHOO.util.History.getBookmarkedState('ajaxUILoc');

    if (url == null) {
        url = wwindows.location;
    }

    if (url != null) {
        var mRegex = /module=([^&#]*)/.exec(url);
        var module = mRegex ? mRegex[1] : false;
        if (module != false) {
            return module;
        }
    }

    return false;
}