[jQuery] event name

    var handler = function(e){
        //How do I know what event triggered this function?
        //this does not work:
        alert('e = ' + e);
        if(e=="focus")    alert("focus");
        else if(e=="blur")    alert("blur");
    }
jq('input[@name=city]').bind("focus", handler);
jq('input[@name=city]').bind("blur", handler);