tell application "Safari"
	set ThePage to URL of front document
	open location ThePage
end tell

tell application "Safari"
	open location the URL of front document
end tell


tell application "Safari"
	open location (the URL of front document as text)
end tell


set x to current date
get year of x

does not work:
get year of current date

but does work:
get year of (current date)