// JavaScript Document
       <!--
    /* Script by: www.jtricks.com
    * Version: 20071017
    * Latest version:
    * www.jtricks.com/javascript/navigation/floating.html
    */
    var floatingMenuId = 'floatdiv';
    var floatingMenu =
    {
        targetX: 0,
        targetY: 300,

        hasInner: typeof(window.innerWidth) == 'number',
        hasElement: typeof(document.documentElement) == 'object'
            && typeof(document.documentElement.clientWidth) == 'number',

        menu:
            document.getElementById
            ? document.getElementById(floatingMenuId)
            : document.all
              ? document.all[floatingMenuId]
              : document.layers[floatingMenuId]
    };

    floatingMenu.move = function ()
    {
        floatingMenu.menu.style.left = floatingMenu.nextX + 'px';
        floatingMenu.menu.style.top = floatingMenu.nextY + 'px';
    }

    floatingMenu.computeShifts = function ()
    {
        var de = document.documentElement;

        floatingMenu.shiftX = 
            floatingMenu.hasInner 
            ? pageXOffset 
            : floatingMenu.hasElement 
              ? de.scrollLeft 
              : document.body.scrollLeft; 
        if (floatingMenu.targetX < 0)
        {
            floatingMenu.shiftX +=
                floatingMenu.hasElement
                ? de.clientWidth
                : document.body.clientWidth;
        }

        floatingMenu.shiftY =
            floatingMenu.hasInner
            ? pageYOffset
            : floatingMenu.hasElement
              ? de.scrollTop
              : document.body.scrollTop;
        if (floatingMenu.targetY < 0)
        {
            if (floatingMenu.hasElement && floatingMenu.hasInner)
            {
                // Handle Opera 8 problems
                floatingMenu.shiftY +=
                    de.clientHeight > window.innerHeight
                    ? window.innerHeight
                    : de.clientHeight
            }
            else
            {
                floatingMenu.shiftY +=
                    floatingMenu.hasElement
                    ? de.clientHeight
                    : document.body.clientHeight;
            }
        }
    }

    floatingMenu.calculateCornerX = function()
    {
        if (floatingMenu.targetX != 'center')
            return floatingMenu.shiftX + floatingMenu.targetX;

        var width = parseInt(floatingMenu.menu.offsetWidth);

        var cornerX =
            floatingMenu.hasElement
            ? (floatingMenu.hasInner
               ? pageXOffset
               : document.documentElement.scrollLeft) +
              (document.documentElement.clientWidth - width)/2
            : document.body.scrollLeft +
              (document.body.clientWidth - width)/2;
        return cornerX;
    };

    floatingMenu.calculateCornerY = function()
    {
        if (floatingMenu.targetY != 'center')
            return floatingMenu.shiftY + floatingMenu.targetY;

        var height = parseInt(floatingMenu.menu.offsetHeight);

        // Handle Opera 8 problems
        var clientHeight =
            floatingMenu.hasElement && floatingMenu.hasInner
            && document.documentElement.clientHeight
                > window.innerHeight
            ? window.innerHeight
            : document.documentElement.clientHeight

        var cornerY =
            floatingMenu.hasElement
            ? (floatingMenu.hasInner 
               ? pageYOffset
               : document.documentElement.scrollTop) +
              (clientHeight - height)/2
            : document.body.scrollTop +
              (document.body.clientHeight - height)/2;
        return cornerY;
    };

    floatingMenu.doFloat = function()
    {
        // Check if reference to menu was lost due
        // to ajax manipuations
        if (!floatingMenu.menu)
        {
            menu = document.getElementById
                ? document.getElementById(floatingMenuId)
                : document.all
                  ? document.all[floatingMenuId]
                  : document.layers[floatingMenuId];

            initSecondary();
        }

        var stepX, stepY;

        floatingMenu.computeShifts();

        var cornerX = floatingMenu.calculateCornerX();

        var stepX = (cornerX - floatingMenu.nextX) * .07;
        if (Math.abs(stepX) < .5)
        {
            stepX = cornerX - floatingMenu.nextX;
        }

        var cornerY = floatingMenu.calculateCornerY();

        var stepY = (cornerY - floatingMenu.nextY) * .07;
        if (Math.abs(stepY) < .5)
        {
            stepY = cornerY - floatingMenu.nextY;
        }

        if (Math.abs(stepX) > 0 ||
            Math.abs(stepY) > 0)
        {
            floatingMenu.nextX += stepX;
            floatingMenu.nextY += stepY;
            floatingMenu.move();
        }

        setTimeout('floatingMenu.doFloat()', 20);
    };

    // addEvent designed by Aaron Moore
    floatingMenu.addEvent = function(element, listener, handler)
    {
        if(typeof element[listener] != 'function' ||
           typeof element[listener + '_num'] == 'undefined')
        {
            element[listener + '_num'] = 0;
            if (typeof element[listener] == 'function')
            {
                element[listener + 0] = element[listener];
                element[listener + '_num']++;
            }
            element[listener] = function(e)
            {
                var r = true;
                e = (e) ? e : window.event;
                for(var i = element[listener + '_num'] -1; i >= 0; i--)
                {
                    if(element[listener + i](e) == false)
                        r = false;
                }
                return r;
            }
        }

        //if handler is not already stored, assign it
        for(var i = 0; i < element[listener + '_num']; i++)
            if(element[listener + i] == handler)
                return;
        element[listener + element[listener + '_num']] = handler;
        element[listener + '_num']++;
    };

    floatingMenu.init = function()
    {
        floatingMenu.initSecondary();
        floatingMenu.doFloat();
    };

    // Some browsers init scrollbars only after
    // full document load.
    floatingMenu.initSecondary = function()
    {
        floatingMenu.computeShifts();
        floatingMenu.nextX = floatingMenu.calculateCornerX();
        floatingMenu.nextY = floatingMenu.calculateCornerY();
        floatingMenu.move();
    }

    if (document.layers)
        floatingMenu.addEvent(window, 'onload', floatingMenu.init);
    else
    {
        floatingMenu.init();
        floatingMenu.addEvent(window, 'onload',
            floatingMenu.initSecondary);
    }

    //-->

