[FIX] jscal: Only show timezone info on DatePicker fields if setting time as well as date

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@51289 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] payment: Minor fix for Israel Post iframe (src=# was preventing the form submitting in there and height needs to be 700px)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@51291 b456876b-0849-0410-b77d-98878d47e9d5