gj.utility.showloader(gj.lang._('redirect to my fancy page'), false,function(){
//my fancy callbackfucntion
document.location.href = myRedirectURL;
});
//regular loader with text using gj.lang functionality for localization
gj.utility.showloader(gj.lang._('fetching my fancy data'));
//just update the text inside the open dialog (open with code above)
gj.utility.showloader(gj.lang._('still fetching my fancy data'));
//closen open loader
gj.utility.closeLoader();
//shortcut to dialog with prepopulated values if no one is provided
gj.utility.showErrorAlert()
Advanced content will come here...