bug fixes

app/assets/javascripts/qwaiter.js.coffee

@@ -8,9 +8,10 @@ window.Qwaiter=
     content = options.content || 'Are you sure?'
     title = options.title || 'Confirm'
     wrapper = $('<div class="modal"></div>')
-    callback_wrapper = ->
-      wrapper.modal('hide')
-      options.ok()
+    if typeof(options.ok) == 'function'
+      callback_wrapper = ->
+        wrapper.modal('hide')
+        options.ok()
     callback_cancel_wrapper = ->
       wrapper.modal('hide')
       options.cancel() if options.cancel
@@ -18,9 +19,16 @@ window.Qwaiter=
       .append('<button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>')
       .append('<h3>'+title+'</h3>').appendTo(wrapper)
     body = $('<div class="modal-body"></div>').append('<p>'+content+'</p>').appendTo(wrapper)
+    ok_button = $('<a href="#" class="btn btn-primary">Yes</a>')
+    if typeof(options.ok) == 'function'
+      ok_button.click(callback_wrapper)
+    else
+      ok_button.click ->
+        eval(options.ok)
+        wrapper.modal('hide')
     footer = $('<div class="modal-footer"></div>')
       .append($('<a href="#" class="btn">Close</a>').click(callback_cancel_wrapper))
-      .append($('<a href="#" class="btn btn-primary">Yes</a>').click(callback_wrapper))
+      .append(ok_button)
       .appendTo(wrapper)
     wrapper.modal()
   currency: (num) ->