//---------------------------------- JS general FUNCTIONS  -->

    //----------------------------------------------- set read-only on a list of form elements
    //
    function objectReadOnly(){
        var obj;
        for (var i=1; i < arguments.length; i++){
            obj = document.getElementById(arguments[i]);
            obj.readonly = true;
            }
        }

    //----------------------------------------------- set read-write on a list of form elements
    //
    function objectReadWrite(){
        var obj;
        for (var i=1; i < arguments.length; i++){
            obj = document.getElementById(arguments[i]);
            obj.readonly = false;
            }
        }

    //----------------------------------------------- enable a list of form elements
    function objectEnable(){
        var obj;
        for (var i=0; i < arguments.length; i++){
            obj = document.getElementById(arguments[i]);
            obj.disabled = false;
            }
        }

    //----------------------------------------------- disable a list of form elements
    function objectDisable(){
        var obj;
        for (var i=0; i < arguments.length; i++){
            obj = document.getElementById(arguments[i]);
            obj.disabled = true;
            }
        }

    //----------------------------------------------- set focus on an input and select it
    function SetFocus(objInput){
        objInput.focus();
        objInput.select();
        }