app/views/bootstrap_view_helpers/_modal_alert.html.erb
<%= modal_trigger("Click to show Alert", href: '#alert') %>
<%= modal_trigger("Click to show Alert w/block", href: '#alert-block') %>
<%= modal_alert("Watch out", id: 'alert') %>
<%= modal_alert(id: 'alert-block', header: 'Custom Header') do %>
This is some <b>bold</b> text from the <code>modal_alert</code> block.
<% end %>