Protected the property fields against the collision of ids within the same page (even if that is a bug, make it work not too bad!)

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@3370 a333f486-631f-4898-b8df-5754b55c2be0
Typo: sKey => iKey.
Prefix for the dialogs to prevent a collision of IDs

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@3371 a333f486-631f-4898-b8df-5754b55c2be0