t( "Is Hidden", "#form input:hidden", ["text1","text2","radio1","radio2","check1","check2","hidden1","hidden2","name","search"] );
t( "Is Hidden", "#main:hidden", ["main"] );
t( "Is Hidden", "#dl:hidden", ["dl"] );
t( "Is Hidden", "#form input:hidden", ["text1","text2","radio1","radio2","check1","check2","hidden1","hidden2","name","search"] );
t( "Is Hidden", "#main:hidden", ["main"] );
t( "Is Hidden", "#dl:hidden", ["dl"] );