Events Manager: A Vista Gadget

// JScript File
// Load events and display them
function LoadEvents()
{    
    ClearEventsList();
    for(i = 0, j=0; j<EventsNumber; i++)
    {
        if(System.Gadget.Settings.read("Event"+i+"Id")==i)
        {
            j++;
            AddLineToEventsList(i);
        }
    }
}
function AddLineToEventsList(eventId)
{
    var eventsList = document.getElementById("EventsList"); 
    var divTag = document.createElement("div");
    var anchorTag = document.createElement("a");
    var radical = "Event" + eventId;
    var eventName = System.Gadget.Settings.read(radical + "Name");
        
    // arguments are used when user is searching
    // (see SearchEngine.js for more details
    var highlight = arguments[1];
    var start = arguments[2];
    var end = arguments[3];
    
    // CheckEvent set event's notification info
    // return false if the event is too old and should not be displayed    
    if(!CheckEvent(eventId)) return;
    
    anchorTag.setAttribute("href", "javascript:DisplayEventInfo(" + eventId + ");");
    anchorTag.setAttribute("title", eventName);
    // highlight text in search-mode only
    if(highlight)
    {
        anchorTag.innerHTML = eventName.substring(0, start) + 
                                 "<span class=\"selected\">" + eventName.substring(start, end) + "</span>" +
                                    eventName.substring(end);
                                
    }
    else anchorTag.innerHTML = eventName;

    // depending of the event's state, set the correct class name
    switch(System.Gadget.Settings.read(radical + "State"))
    {
        case "Hot" :
        // to notify user
            divTag.className = "hotEvent";
            // play sound only if EnableSound == true
            if(EnableSound) System.Sound.playSound("../sound/toutoune.wav");
            break;
        case "Old" :
            anchorTag.className = "oldEvent";
            break;
    }
    // appendChild
    divTag.appendChild(anchorTag);
    eventsList.insertBefore(divTag, eventsList.firstChild);
}
function ClearEventsList()
{
    // clear events list
    document.getElementById("EventsList").innerHTML = "";
}

// Called by AddEvent in AddEvent.js
function AddEvent()
{   
    EventsNumber++;
    CurrentEventId++;
    SaveSettings();
    
    LoadEvents();
    SetSlider();
    UpdateSliderInput();
}
function RemoveEvent(eventId)
{
    EventsNumber--;
    System.Gadget.Settings.write("Event"+eventId+"Id", -1);
    HideEventInfo();
    SaveSettings();
    
    LoadEvents();
    UpdateSliderInput();
    SetSlider();
}