> filter: +www.act.co.il/forums/viewtopic.php?t=*[1-500]

You can't do that - the *[1-500] syntax is invalid.

Try something like:
-*
+www.act.co.il/forums/viewtopic.php?t=1*[0-9]
+www.act.co.il/forums/viewtopic.php?t=2*[0-9]
+www.act.co.il/forums/viewtopic.php?t=3*[0-9]
+www.act.co.il/forums/viewtopic.php?t=4*[0-9]
+www.act.co.il/forums/viewtopic.php?t=5*[0-9]

Or, including images and related files:
-*
+www.act.co.il/forums/viewtopic.php?t=1*[0-9]
+www.act.co.il/forums/viewtopic.php?t=2*[0-9]
+www.act.co.il/forums/viewtopic.php?t=3*[0-9]
+www.act.co.il/forums/viewtopic.php?t=4*[0-9]
+www.act.co.il/forums/viewtopic.php?t=5*[0-9]
+*.gif +*.jpg +*.png +*.css +*.js