Added to fckeditorcode_gecko.js
    var FCKEnterKey
        - F paramater
        - CtrlShiftEnter keystroke
        - case 'CtrlShiftEnter':return C.DoCtrlShiftEnter();break;
        - FCKEnterKey.prototype.DoCtrlShiftEnter=function(){return this.DoEnter(this.CtrlShiftEnterMode,true);};

Added to fckeditorcode_ie.js
    var FCKEnterKey
        - F paramater
        - CtrlShiftEnter keystroke
        - case 'CtrlShiftEnter':return C.DoCtrlShiftEnter();break;
        - FCKEnterKey.prototype.DoCtrlShiftEnter=function(){return this.DoEnter(this.CtrlShiftEnterMode,true);};

Added to fckenterkey.js
    FCKEnterKey
        - parameter ctrlShiftEnterMode
        - this.CtrlShiftEnterMode    = ctrlShiftEnterMode || 'div' ;
        - [ CTRL + SHIFT + 13, 'CtrlShiftEnter' ],
    FCKEnterKey_OnKeystroke
        - case 'CtrlShiftEnter' :
                return oEnterKey.DoCtrlShiftEnter() ;
                break ;

    /*
    * Executes the <Ctrl>+<Shift>+<Enter> key behavior.
    */
    FCKEnterKey.prototype.DoCtrlShiftEnter = function()
    {
        return this.DoEnter( this.CtrlShiftEnterMode, true ) ;
    }


Added to fckconfig.js
    FCKConfig.CtrlShiftEnterMode = 'div' ;    // p | div | br