Arrow lines and connect options not showing in Safari

In Safari, the arrow direction lines are not displaying. 

Also, when I select an item on the canvas, the little box appears by the connect icon, and arrow direction icons do not appear.

I am using Safari version 7.0.6

![screen shot 2014-09-09 at 2 19 26 pm](https://cloud.githubusercontent.com/assets/1521387/4201357/66adf2b8-381d-11e4-9dec-297bbab13125.png)
![screen shot 2014-09-09 at 2 19 44 pm](https://cloud.githubusercontent.com/assets/1521387/4201356/66ad87c4-381d-11e4-9315-29451e6be826.png)