"Thanks for your answer.  I tried it, but I realised that the background will still be accessible with the Tab Key, even if all the other ..."

"Thanks rehan ! I've done it, and it's better now. "

"Hello,  I would like your help in using the Tab Key from the Keyboard.  Here you will find my slide, where there are 5 text boxes to fill..."

"Thanks a lot for your help.  It's exactly what I was look for.  Have a good day Am"

"Hello everyone,  I want to show then hide a picture when the users clicks on a marker.  First time the user clicks, the text of the marke..."