Event.observe is not a function

[akshatvora]

I have an online selling portal.

Search result page (front end) gives out this error Event.observe is not a function every time.

Magento ver. 1.9.1.1

This has happened recently, no changes to the website made whatsoever.

Is this some sort of bug ?

[Gabriel Guarino]

Hi @akshatvora,

Since this has been posted several days ago, I would like to know if you were able to find the solution.

Please let us know.
Best regards.

Gabriel