var calendar = null;

    function getCalendarClick(imgObj, obj){
        getShowCalendar("calendar", obj, "calendar-container", imgObj);
    }
    
    function getShowCalendar(element, input, container, source){
    
        if (!calendar){
            container = $(container);
            new Draggable(container, {handle: "rtop", starteffect: Prototype.emptyFunction, endeffect: Prototype.emptyFunction});
            
            calendar = new scal(element, $(input),{
                updateformat: 'yyyy.mm.dd', 
                closebutton: ' ', 
                wrapper: container
            }); 
        }else{
            calendar.updateelement = $(input);
        }
        
        //var date = new Date($F(input));
        var date = new Date();
        calendar.setCurrentDate(isNaN(date) ? new Date() : date);
        if (source = $(source)){
            Position.clone($(source), container, {setWidth: false, setHeight: false, offsetLeft: source.getWidth() + 2});
        }
        
        calendar.openCalendar();
    }

function getProtoCalendarDate(){
    
}