Feature/issue 1730 backend ie8

Some more fixes for IE8 #1730 
![screen shot 2014-09-18 at 10 38 31](https://cloud.githubusercontent.com/assets/5597447/4317177/649ba7c8-3f10-11e4-86cc-f2f128da1ccf.png)
![screen shot 2014-09-18 at 10 38 31 2](https://cloud.githubusercontent.com/assets/5597447/4317176/649af030-3f10-11e4-9f5b-f5fc676e2ae6.png)