//// ===================================================================
//// Author: Matt Kruse <matt@mattkruse.com>
//// WWW: http://www.mattkruse.com/
////
//// NOTICE: You may use this code for any purpose, commercial or
//// private, without any further permission from the author. You may
//// remove this notice from your final code if you wish, however it is
//// appreciated by the author if at least my web site address is kept.
////
//// You may *NOT* re-distribute this code in any way except through its
//// use. That means, you can include it in your product, or your web
//// site, or any other form where the code is actually being used. You
//// may not put the plain javascript up on your site for download or
//// include it in your javascript libraries for download. 
//// If you wish to share this code with others, please just point them
//// to the URL instead.
//// Please DO NOT link directly to my .js files from your site. Copy
//// the files to your server and use them there. Thank you.
//// ===================================================================


/* SOURCE FILE: AnchorPosition.js */
//// ===================================================================
function getAnchorPosition(anchorname)
{
    var useWindow = false;
    var coordinates = new Object();
    var x = 0, y = 0;
    var use_gebi = false, use_css = false, use_layers = false;
    if(document.getElementById)
    {
        use_gebi = true;
    }
    else if(document.all)
    {
        use_css = true;
    }
    else if(document.layers)
    {
        use_layers = true;
    }
    if(use_gebi && document.all)
    {
        x = AnchorPosition_getPageOffsetLeft(document.all[anchorname]);
        y = AnchorPosition_getPageOffsetTop(document.all[anchorname]);
    }
    else if(use_gebi)
    {
        var o = document.getElementById(anchorname);
        x = AnchorPosition_getPageOffsetLeft(o);
        y = AnchorPosition_getPageOffsetTop(o);
    }
    else if(use_css)
    {
        x = AnchorPosition_getPageOffsetLeft(document.all[anchorname]);
        y = AnchorPosition_getPageOffsetTop(document.all[anchorname]);
    }
    else if(use_layers)
    {
        var found = 0;
        for(var i = 0; i < document.anchors.length; i++)
        {
            if(document.anchors[i].name == anchorname)
            {
                found = 1;
                break;
            }
        }
        if(found == 0)
        {
            coordinates.x = 0;
            coordinates.y = 0;
            return coordinates;
        }
        x = document.anchors[i].x;
        y = document.anchors[i].y;
    }
    else
    {
        coordinates.x = 0;
        coordinates.y = 0;
        return coordinates;
    }
    coordinates.x = x;
    coordinates.y = y;
    return coordinates;
}
function getAnchorWindowPosition(anchorname)
{
    var coordinates = getAnchorPosition(anchorname);
    var x = 0;
    var y = 0;
    if(document.getElementById)
    {
        if(isNaN(window.screenX))
        {
            x = coordinates.x - document.body.scrollLeft + window.screenLeft;
            y = coordinates.y - document.body.scrollTop + window.screenTop;
        }
        else
        {
            x = coordinates.x + window.screenX + (window.outerWidth - window.innerWidth) - window.pageXOffset;
            y = coordinates.y + window.screenY + (window.outerHeight - 24 - window.innerHeight) - window.pageYOffset;
        }
    }
    else if(document.all)
    {
        x = coordinates.x - document.body.scrollLeft + window.screenLeft;
        y = coordinates.y - document.body.scrollTop + window.screenTop;
    }
    else if(document.layers)
    {
        x = coordinates.x + window.screenX + (window.outerWidth - window.innerWidth) - window.pageXOffset;
        y = coordinates.y + window.screenY + (window.outerHeight - 24 - window.innerHeight) - window.pageYOffset;
    }
    coordinates.x = x;
    coordinates.y = y;
    return coordinates;
}
function AnchorPosition_getPageOffsetLeft(el)
{
    var ol = el.offsetLeft;
    while((el = el.offsetParent) != null)
    {
        ol += el.offsetLeft;
    }
    return ol;
}
function AnchorPosition_getWindowOffsetLeft(el)
{
    return AnchorPosition_getPageOffsetLeft(el) - document.body.scrollLeft;
}
function AnchorPosition_getPageOffsetTop(el)
{
    var ot = el.offsetTop;
    while((el = el.offsetParent) != null)
    {
        ot += el.offsetTop;
    }
    return ot;
}
function AnchorPosition_getWindowOffsetTop(el)
{
    return AnchorPosition_getPageOffsetTop(el) - document.body.scrollTop;
}
function PopupWindow_getXYPosition(anchorname)
{
    var coordinates;
    if(this.type == "WINDOW")
    {
        coordinates = getAnchorWindowPosition(anchorname);
    }
    else
    {
        coordinates = getAnchorPosition(anchorname);
    }
    this.x = coordinates.x;
    this.y = coordinates.y;
}
function PopupWindow_setSize(width, height)
{
    this.width = width;
    this.height = height;
}
function PopupWindow_populate(contents)
{
    this.contents = contents;
    this.populated = false;
}
function PopupWindow_setUrl(url)
{
    this.url = url;
}
function PopupWindow_setWindowProperties(props)
{
    this.windowProperties = props;
}
function PopupWindow_setWindowScrollbars(prop)
{
    this.scrollbars = prop;
}
function PopupWindow_setWindowResizable(prop)
{
    this.resizable = prop;
}
function PopupWindow_refresh()
{
    if(this.divName != null)
    {
        if(this.use_gebi)
        {
            document.getElementById(this.divName).innerHTML = this.contents;
        }
        else if(this.use_css)
        {
            document.all[this.divName].innerHTML = this.contents;
        }
        else if(this.use_layers)
        {
            var d = document.layers[this.divName];
            d.document.open();
            d.document.writeln(this.contents);
            d.document.close();
        }
    }
    else
    {
        if(this.popupWindow != null && !this.popupWindow.closed)
        {
            if(this.url != "")
            {
                this.popupWindow.location.href = this.url;
            }
            else
            {
                this.popupWindow.document.open();
                this.popupWindow.document.writeln(this.contents);
                this.popupWindow.document.close();
            }
            this.popupWindow.focus();
        }
    }
}
function PopupWindow_showPopup(scrollbars, resizable, anchorname, url)
{
    this.setScrollbars(scrollbars);
    this.setResizable(resizable);
    if (anchorname == "")
    {
        this.x = 0;
        this.y = 0
    }
    else
    {
        this.getXYPosition(anchorname);
    }
    this.x += this.offsetX;
    this.y += this.offsetY;
    if(!this.populated && (this.contents != ""))
    {
        this.populated = true;
        this.refresh();
    }
    if(this.divName != null)
    {
        if(this.use_gebi)
        {
            document.getElementById(this.divName).style.left = this.x;
            document.getElementById(this.divName).style.top = this.y;
            document.getElementById(this.divName).style.visibility = "visible";
        }
        else if(this.use_css)
        {
            document.all[this.divName].style.left = this.x;
            document.all[this.divName].style.top = this.y;
            document.all[this.divName].style.visibility = "visible";
        }
        else if(this.use_layers)
        {
            document.layers[this.divName].left = this.x;
            document.layers[this.divName].top = this.y;
            document.layers[this.divName].visibility = "visible";
        }
    }
    else
    {
        if(this.popupWindow == null || this.popupWindow.closed)
        {
            if(this.x < 0)
            {
                this.x = 0;
            }
            if(this.y < 0)
            {
                this.y = 0;
            }
            if(screen && screen.availHeight)
            {
                if((this.y + this.height) > screen.availHeight)
                {
                    this.y = screen.availHeight - this.height;
                }
            }
            if(screen && screen.availWidth)
            {
                if((this.x + this.width) > screen.availWidth)
                {
                    this.x = screen.availWidth - this.width;
                }
            }
            this.popupWindow = window.open("about:blank", "window_" + anchorname, this.windowProperties + ",scrollbars=" + this.scrollbars + ",resizable=" + this.resizable + ",width=" + this.width + ",height=" + this.height + ",screenX=" + this.x + ",left=" + this.x + ",screenY=" + this.y + ",top=" + this.y + "");
        }
        this.setUrl(url);
        this.refresh();
    }
}
function PopupWindow_hidePopup()
{
    if(this.divName != null)
    {
        if(this.use_gebi)
        {
            document.getElementById(this.divName).style.visibility = "hidden";
        }
        else if(this.use_css)
        {
            document.all[this.divName].style.visibility = "hidden";
        }
        else if(this.use_layers)
        {
            document.layers[this.divName].visibility = "hidden";
        }
    }
    else
    {
        if(this.popupWindow && !this.popupWindow.closed)
        {
            this.popupWindow.close();
            this.popupWindow = null;
        }
    }
}
function PopupWindow_isClicked(e)
{
    if(this.divName != null)
    {
        if(this.use_layers)
        {
            var clickX = e.pageX;
            var clickY = e.pageY;
            var t = document.layers[this.divName];
            if((clickX > t.left) && (clickX < t.left + t.clip.width) && (clickY > t.top) && (clickY < t.top + t.clip.height))
            {
                return true;
            }
            else
            {
                return false;
            }
        }
        else if(document.all)
        {
            var t = window.event.srcElement;
            while(t.parentNode != null)
            {
                if(t.id == this.divName)
                {
                    return true;
                }
                t = t.parentNode;
            }
            return false;
        }
        else if(this.use_gebi)
        {
            var t = e.originalTarget;
            while(t.parentNode != null)
            {
                if(t.id == this.divName)
                {
                    return true;
                }
                t = t.parentNode;
            }
            return false;
        }
        return false;
    }
    return false;
}
function PopupWindow_hideIfNotClicked(e)
{
    if(this.autoHideEnabled && !this.isClicked(e))
    {
        this.hidePopup();
    }
}
function PopupWindow_autoHide()
{
    this.autoHideEnabled = true;
}
function PopupWindow_hidePopupWindows(e)
{
    for(var i = 0; i < popupWindowObjects.length; i++)
    {
        if(popupWindowObjects[i] != null)
        {
            var p = popupWindowObjects[i];
            p.hideIfNotClicked(e);
        }
    }
}
function PopupWindow_attachListener()
{
    if(document.layers)
    {
        document.captureEvents(Event.MOUSEUP);
    }
    window.popupWindowOldEventListener = document.onmouseup;
    if(window.popupWindowOldEventListener != null)
    {
        document.onmouseup = new Function("window.popupWindowOldEventListener();PopupWindow_hidePopupWindows();");
    }
    else
    {
        document.onmouseup = PopupWindow_hidePopupWindows;
    }
}
function PopupWindow()
{
    if(!window.popupWindowIndex)
    {
        window.popupWindowIndex = 0;
    }
    if(!window.popupWindowObjects)
    {
        window.popupWindowObjects = new Array();
    }
    if(!window.listenerAttached)
    {
        window.listenerAttached = true;
        PopupWindow_attachListener();
    }
    this.index = popupWindowIndex++;
    popupWindowObjects[this.index] = this;
    this.divName = null;
    this.popupWindow = null;
    this.width = 0;
    this.height = 0;
    this.populated = false;
    this.visible = false;
    this.autoHideEnabled = false;
    this.contents = "";
    this.url = "";
    this.windowProperties = "toolbar=no,location=no,status=no,menubar=no,alwaysRaised,dependent,titlebar=no";
    this.scrollbars = "no";
    this.resizable = "no";
    if(arguments.length > 0)
    {
        this.type = "DIV";
        this.divName = arguments[0];
    }
    else
    {
        this.type = "WINDOW";
    }
    this.use_gebi = false;
    this.use_css = false;
    this.use_layers = false;
    if(document.getElementById)
    {
        this.use_gebi = true;
    }
    else if(document.all)
    {
        this.use_css = true;
    }
    else if(document.layers)
    {
        this.use_layers = true;
    }
    else
    {
        this.type = "WINDOW";
    }
    this.offsetX = 0;
    this.offsetY = 0;
    this.getXYPosition = PopupWindow_getXYPosition;
    this.populate = PopupWindow_populate;
    this.setUrl = PopupWindow_setUrl;
    this.setWindowProperties = PopupWindow_setWindowProperties;
    this.setScrollbars = PopupWindow_setWindowScrollbars;
    this.setResizable = PopupWindow_setWindowResizable;
    this.refresh = PopupWindow_refresh;
    this.showPopup = PopupWindow_showPopup;
    this.hidePopup = PopupWindow_hidePopup;
    this.setSize = PopupWindow_setSize;
    this.isClicked = PopupWindow_isClicked;
    this.autoHide = PopupWindow_autoHide;
    this.hideIfNotClicked = PopupWindow_hideIfNotClicked;
}
