Goto Function

Goto Function

I have this excel sheet imported from microsoft 97-2003. It has macros in it and the buttons have been removed upon importation. So i made button(base-titles) and was trying to assign the imported macro (Gototitles). But i received this error. Unknown function: Goto
here's the link to the zoho sheet: http://sheet.zoho.com/public/uplbapsim/papsim-dec2009-a001-3
Thank you for your help.