Usually I try to write valid sites, but if it starts to error on php links where it doesn't like & and = symbols in links I just leave it as it is, though it's just encoding type i should change:
http://www.f-once.pri.ee
http://www.e-hydepark.com/new/
http://www.f-once.pri.ee
http://www.e-hydepark.com/new/