"Walt Thanks for your reply and I hear what you are saying. What do you suggest I can do to help those who rush and then can't move on - ..."

"Also which of these player triggers should stay??"

"If someone rushes through - how do they get the next button to work? It seems that even if I go back through the buttons slowly a second ..."

"It seems to only work if a certain amount of time is taken per slide?"

"Does this not preview correctly but is ok when published?"

"oops - yes it does"

"Thanks very much and I apologise for my ignorance but the next button isn't working at all now???"

"Thanks - I have done Michael's suggestion but this doesn't resolve my issue of the next button being disabled if I go back to this slide ..."