[jQuery] Join element sets?

[jQuery] Join element sets?


I have two element sets: $(".contentBox") and $(".referencesImage").
How can I join the elements in this sets? I would like to join the
sets, since I'm adding the exact same hover function on both element
sets.
    $(".contentBox").hover(function(event){
        ..do something
    },function(event){
        ..do something
    });
    $(".referencesImage").hover(function(event){
        ..do something
    },function(event){
        ..do something
    });