Safari gives error. Works fine when I open Web Inspector
I am trying to open this page
http://codecanyon.net/item/formcraft-premium-wordpress-form-builder/full_screen_ preview/5335056
It opens half hidden.I get an error which has something to do with the iframe. However, if show the Web Inspector and refresh the page, it works fine.
Is it something with my Safari? Is this how others see it as well?
OSX 10.8.4
Safari 6.0.5
MacBook Retina Pro Early '13
MacBook Pro with Retina display, OS X Mountain Lion (10.8.4)