/* Default timeout for AJAX requests; 15 seconds. */
if (Array.prototype.inArray == null)
{
    Array.prototype.inArray = function(value)
    {
        var i;

        for (i = 0; i < this.length; i++)
        {
            if (this[i] === value)
            {
                return true;
            }
        }

        return false;
    };
}
//alert('ok');
if (Array.prototype.push == null)
{
    Array.prototype.push = function()
    {
        for (var i = 0; i < arguments.length; i++)
        {
            this[this.length] = arguments[i];
        };

        return this.length;
    };
}
/* Event Cache uses an anonymous function to create a hidden scope chain.
 * This is to prevent scoping issues.
 */
var EventCache = function()
{//alert('ok');
    var listEvents = [];

    /* This open-brace MUST BE on the same line as the return. */
    return {
        listEvents : listEvents,

        add : function (node, eventName, handler, useCapture)
        {
            listEvents.push(arguments);
        },

        flush : function()
        {
            var i, item;

            for (i = listEvents.length - 1; i >= 0; i = i - 1)
            {
                item = listEvents[i];

                if (item[0].removeEventListener)
                {
                    item[0].removeEventListener(item[1], item[2], item[3]);
                };

                /* From this point on we need the event names to be prefixed
                 * with 'on". */
                if (item[1].substring(0, 2) != 'on')
                {
                    item[1] = 'on' + item[1];
                };

                if (item[0].detachEvent)
                {
                    item[0].detachEvent(item[1], item[2]);
                };

                item[0][item[1]] = null;
            };
        }
    };
}();

function addEvent(obj, type, fn, useCapture)
{//alert(obj+' type '+type+' fn '+fn+' useCapture '+useCapture);
    if (obj.addEventListener)
    {
        obj.addEventListener(type, fn, useCapture);
        EventCache.add(obj, type, fn, useCapture);
    }
    else if (obj.attachEvent)
    {
        obj['e' + type + fn] = fn;
        obj[type + fn] = function()
        {
            obj['e' + type + fn](window.event);
        }
        obj.attachEvent('on' + type, obj[type + fn]);
        EventCache.add(obj, type, fn, useCapture);
    }
    else
    {
        //alert('Handler could not be attached.');
    }
}

function removeEvent(obj, type, fn, useCapture)
{
    if (obj.removeEventListener)
    {
        obj.removeEventListener(type, fn, useCapture);
        return true;
    }

    if (obj.detachEvent)
    {
        return obj.detachEvent('on' + type, fn);
    }

    //alert('Handler could not be removed.');
}