PHOENIX -- Students and parents accessing a school Web site for help with homework got more than they bargained for if they were just a couple of keystrokes off.

The Litchfield Elementary School District site shares a similar, but shorter domain name to a pornographic site which features live sex performances.

A parent alerted school officials after they mistyped the district's site.

Parents are worried their computer-savvy children might end up at the porn site by mistake because of the address similarities.

"No matter how closely we supervise them, it's only a few keystrokes away," said Hollee Morrow, a parent.

The porn site had been made inaccessible by all district computers so students don't type it in at school. The problem happens when they log on at home.

Purchasing the domain name to avoid further problems for students and parents can be expensive, said Amanda Hughens, LESD Director of Education Technology.

"It's like a sex offender living right next to a school," Morrow said.

Morrow has one daughter in third grade and another in fifth, and both are computer savvy.

School officials said they don't want to send notes home with students, because they're afraid kids will look up the wrong site out of curiosity.

So instead, they're encouraging parents to be vigilant and to install filters that block inappropriate sites.