document.observe('dom:loaded', function()
{   
    //Mailing List Modal Window
    window.MailingListModal = new Control.Modal($(document.body).down('[href=join-mailing-list.aspx]'), {
        overlayOpacity: 0.75,
        className: 'modal',
        fade: true,
        closeOnClick: false,
        iframe: true
    });

});


function ShowJoinMailingListWindow()
{
    window.MailingListModal.destroy();

    window.MailingListModal = new Control.Modal($(document.body).down('[href=join-mailing-list.aspx]'), {
        overlayOpacity: 0.75,
        className: 'modal',
        fade: true,
        closeOnClick: false,
        iframe: true
    });
    var url = "join-mailing-list.aspx";
    window.MailingListModal.href = url;
    window.MailingListModal.open();
}

/*
==================================================================
Quick getElement reference
==================================================================
*/
/*
function $()
{
    var elements = new Array();

    for (var i = 0; i < arguments.length; i++)
    {
        var element = arguments[i];
        if (typeof element == 'string')
            element = document.getElementById(element);

        if (arguments.length == 1)
            return element;

        elements.push(element);
    }

    return elements;
}
*/
/*
==================================================================
Cancels event bubbling. Only tested on Firefox 1.5.0.4 and IE6SP1
==================================================================
*/
function CancelEvent(e)
{
    e.cancelBubble = true;
    e.returnValue = false;
    if (e.preventDefault) e.preventDefault();
}

/*
==================================================================
Checks if value is an integer. e.g. (100, -45, +1)
==================================================================
*/
function isInteger(value)
{
    var result = /^[-\+]{0,1}\d+$/.test(value);
    return result;
}

/*
==================================================================
Checks if value is an unsinged integer. e.g. (100, 45, 1)
==================================================================
*/
function isUInteger(value)
{
    var result = /^\d+$/.test(value);
    return result;
}

/*
==================================================================
Sets the status alert message and flashes the status alert container.
==================================================================
*/
function StatusAlert(msg)
{
    document.getElementById('status').innerHTML = msg;
    document.getElementById('status_container').style.backgroundColor = "#ff0";
    setTimeout("document.getElementById('status_container').style.backgroundColor='#fff'", 1000);
}

/*
==================================================================
Fires the Click event of the Buttton 'btn' when the Enter key is
depressed.
==================================================================
*/
function DoButtonClick(btn, e)
{
    if (document.all)
    {
        if (e.keyCode == 13)
        {
            CancelEvent(e);
            btn.click();
        }
    }

    else if (document.getElementById)
    {
        if (e.which == 13)
        {
            CancelEvent(e);
            btn.click();
        }
    }

    else if (document.layers)
    {
        if (e.which == 13)
        {
            CancelEvent(e);
            btn.click();
        }
    }
}

/*
==================================================================
Dictionary() : Javascript implementation of a dictionary object
==================================================================
It supports three methods:
Add(key, value) - Adds a key/value pair to the collection.
Remove(key) -  Removes an item from the collection.
Length() - Returns the number of items in the collection.
==================================================================
*/
function Dictionary()
{
    var _count = 0;

    this.Add = function(key, value)
    {
        this[key] = value;
        _count++;
    };

    this.Remove = function(key)
    {
        if (_count == 0) return;

        if (this[key])
        {
            this[key] = null;
            _count--;
        }
    };

    this.Length = function()
    {
        return _count;
    };
}


/*
==================================================================
LTrim(string) : Returns a copy of a string without leading spaces.
==================================================================
*/
function LTrim(str)
/*
PURPOSE: Remove leading blanks from our string.
IN: str - the string we want to LTrim
*/
{
    var whitespace = new String(" \t\n\r");

    var s = new String(str);

    if (whitespace.indexOf(s.charAt(0)) != -1)
    {
        // We have a string with leading blank(s)...

        var j = 0, i = s.length;

        // Iterate from the far left of string until we
        // don't have any more whitespace...
        while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
            j++;

        // Get the substring from the first non-whitespace
        // character to the end of the string...
        s = s.substring(j, i);
    }
    return s;
}

/*
==================================================================
RTrim(string) : Returns a copy of a string without trailing spaces.
==================================================================
*/
function RTrim(str)
/*
PURPOSE: Remove trailing blanks from our string.
IN: str - the string we want to RTrim

*/
{
    // We don't want to trip JUST spaces, but also tabs,
    // line feeds, etc.  Add anything else you want to
    // "trim" here in Whitespace
    var whitespace = new String(" \t\n\r");

    var s = new String(str);

    if (whitespace.indexOf(s.charAt(s.length - 1)) != -1)
    {
        // We have a string with trailing blank(s)...

        var i = s.length - 1;       // Get length of string

        // Iterate from the far right of string until we
        // don't have any more whitespace...
        while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
            i--;


        // Get the substring from the front of the string to
        // where the last non-whitespace character is...
        s = s.substring(0, i + 1);
    }

    return s;
}

/*
=============================================================
Trim(string) : Returns a copy of a string without leading or trailing spaces
=============================================================
*/
function Trim(str)
/*
PURPOSE: Remove trailing and leading blanks from our string.
IN: str - the string we want to Trim

RETVAL: A Trimmed string!
*/
{
    return RTrim(LTrim(str));
}

/*
==================================================================
Finds the X-position of an element positioned relatively on screen
==================================================================
*/
function findPosX(obj)
{
    var curleft = 0;

    if (obj.offsetParent)
    {
        while (obj.offsetParent)
        {
            curleft += obj.offsetLeft
            obj = obj.offsetParent;
        }
    }
    else if (obj.x)
        curleft += obj.x;

    return curleft;
}

/*
==================================================================
Finds the X-position of an element positioned relatively on screen
==================================================================
*/
function findPosY(obj)
{
    var curtop = 0;

    if (obj.offsetParent)
    {
        while (obj.offsetParent)
        {
            curtop += obj.offsetTop
            obj = obj.offsetParent;
        }
    }
    else if (obj.y)
        curtop += obj.y;

    return curtop;
}


function Cookies()
{
    this.SetCookie = function(key, value, TTL)
    {
        var expires = "";

        if (isInteger(TTL))
        {
            iTTL = parseInt(TTL);
            if (iTTL != 0)
            {
                var expDate = new Date();
                expDate.setTime(expDate.getTime() + iTTL);
                expires = ";expires=" + expDate.toUTCString();
            }
        }

        document.cookie = key + "=" + value + expires + ";path=/";
    };

    this.Cookie = function(key)
    {
        var ca = document.cookie.split(';');
        var value = null;

        for (i = 0; i < ca.length; i++)
        {
            var cookie = ca[i].split('=');
            if (Trim(cookie[0]) == key)
                value = cookie[1];
        }

        return value;
    };

    this.DeleteCookie = function(key)
    {
        this.SetCookie(key, "", -1000);
    };
}

/*ScrollOffset
================================================================================
Returns the horizontal and vertical scroll position of the browser window
================================================================================
*/
function GetScrollOffset()
{
    var _x = 0, _y = 0;

    if (typeof (window.pageYOffset) == 'number')
    {
        //Netscape compliant
        _y = window.pageYOffset;
        _x = window.pageXOffset;
    }
    else if (document.body && (document.body.scrollLeft || document.body.scrollTop))
    {
        //DOM compliant
        _y = document.body.scrollTop;
        _x = document.body.scrollLeft;
    }
    else if (document.documentElement && (document.documentElement.scrollLeft || document.documentElement.scrollTop))
    {
        //IE6 standards compliant mode
        _y = document.documentElement.scrollTop;
        _x = document.documentElement.scrollLeft;
    }

    return { x: _x, y: _y };
};
//ScrollOffset======================================================


function RecordScrollOffset()
{
    var scrollOffset = GetScrollOffset();
    $("__scrollOffset").value = (scrollOffset.x + "|" + scrollOffset.y);
}