<html> <head> <title>TEST</title> <script> function cache(obj) { obj.title = ""; } function affiche(obj, titre) { obj.title = titre; } </script> </head> <body> <a href="http://www.google.fr" title="google" OnMouseOver="cache(this);" OnMouseOut="affiche(this, 'title');">Lien</a> </body> </html>