function attachHandler(vKey, fHandler){
        if(typeof vKey === "string"){
            return _setHandler(vKey, fHandler);
        }

        var fHandler, sKey;
        for(sKey in vKey){
            fHandler = vKey[sKey];
            _setHandler(sKey, fHandler);
        }
    }
attach Shortcut Key Handler
@param {String} vKey keyCombiation String e.g. CTRL+ENTER
@param {String} fHandler handler function
or
@param {Hash Table} vKey {"keyCombination:function(){}, "key":function(){}}