Web Development

void Application_Start(object sender, EventArgs e)

{
    Application["ActiveSessions"] = 0;

}

void Session_Start(object sender, EventArgs e)

{
    try
    {
        Application.Lock();


        int activeSessions = (int) Application["ActiveSessions"] + 1;

        int allowedSessions = 10; // retrieve the threshold here instead


        Application["ActiveSessions"] = activeSessions;


        if (activeSessions > allowedSessions)

                System.Web.HttpContext.Current.Response.Redirect("~/UserLimitReached.aspx", false);

    }
    finally
    {
        Application.UnLock();

    }
}

void Session_End(object sender, EventArgs e)

{
    Application.Lock();
    Application["ActiveSessions"] = (int)Application["ActiveSessions"] - 1;

    Application.UnLock();
}

<img onmouseover="stopplaying()" onmouseout="startplaying()" />

<script>
var isstopped=0;

function stopplaying(){
isstopped=1;
}

function startplaying(){
isstopped=0;
}

//then change your current javascipt:

function rotateImage(rImage, link) {

var new_image = getNextImage();

if(isstopped == 1){
document.getElementById('rImage').src = new_image.image_item.src;
document.getElementById('rLink').href = new_image.image_item.link;

setTimeout("rotateImage()", interval);
}

.....
}
</script>