var GlobalParams = {
    ApplicationPath: '',
    MakeUrl: function(path) {
        if(path.charAt(0) == "/") {
            path = path.substr(1);
        }
        var formatFunc;
        if(Ext.String) { formatFunc = Ext.String.format }
        else { formatFunc = String.format; }
        return formatFunc('{0}/{1}', GlobalParams.ApplicationPath, path);
    }
};