Code showing up in body tag


How do I get rid of this code appearing on the home page of my site? (It is really annoying to users.)

echo " ";

Can anyone help me?

This is what Opera Dragonfly tells me:

echo " ";



Seems to be Your site is compromised,Its a malicious Script,Used in BlackHole exploit kit,It Redirects to Malicious domain and infect the users,
Take Necessary action ASAP to avoid ruining Reps,As per my knowledge just remove the code,