title: How to create successive modal windows using ngDialog
body: <p>Suppose in a screen I click on a button a new modal window should be opened. This modal window should be followed by successive modal windows on button click. I was reading about <a href="http://likeastore.github.io/ngDialog/#" rel="nofollow">ngdialog</a>. I even saw their sample example.But did not get clarity on how to do it.</p>