I\'m trying to implement a menu for a ios webkit based app in which the user touches/clicks and holds a menu button (\'.menu_item\'), after 500ms the sub menu opens (div.slide_u
If you don't need to use multitouch data, you may keep using mouseup on ipad.
further reading: http://developer.apple.com/library/IOS/#documentation/AppleApplications/Reference/SafariWebContent/HandlingEvents/HandlingEvents.html