GreaseMonkey script nereaguje v FF

if (!ytip)
{
    var ytip = {
    
        width : 560,
        height : 315,
        autoplay : true,
        wmode : false,
        
        lang : {
            createTitle : 'Prehrať video v príspevku',
            destroyTitle : 'Zatvoriť video'
        },
        styles : {
            createStyle : 'display:block;width:36px;height:24px;background:#ccc url(\'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAAaUlEQVR42mNgGAWjYMSD/wMMBo8DBirkSXYAUOl8IBYYSAeAwHsgLhhIB4DBv3//7gMphwFzAJJD9gMphQFzABLoJzZ9DC8HDFgUDGQiHNBsOLAFEc2K4tHacMjUhqNpgOoOGAWjYMQDAD4roOvLuhuEAAAAAElFTkSuQmCC\') scroll center center no-repeat;',
            destroyStyle : 'padding:5px 20px;background: url(\'data:image/png;base64,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\') scroll center center no-repeat;'
        },
        
        createAnchor : 'onclick="return ytip.createInlineYT(this);"',
        destroyAnchor : 'onclick="return ytip.destroyInlineYT();"',
        saveContent : new Array(),
        active : false,
        
        restoreContent : function (del)
        {
            if (this.saveContent.length > 1)
            {
                this.saveContent[0].innerHTML = this.saveContent[1];
                this.saveContent[2].innerHTML = this.saveContent[3];
                if (del)
                {
                    this.saveContent = [];
                }
            }       
        },
            
        createInlineYT : function (button)
        {
            var videoCode = button.parentNode.getElementsByTagName('a')[0].innerHTML.split('&v=')[1];
            var ap = (this.autoplay) ? 1 : 0;
            var wm = (this.wmode) ? 'opaque' : 'window';
            var videoYT = '<iframe src="//www.youtube.com/embed/' + videoCode + '?hl=en&fs=1&rel=0&autoplay=' + ap + '&wmode=' + wm + '" width="' + this.width + '" height="' + this.height + '" frameborder="0" allowfullscreen></iframe>';            
            this.restoreContent();
            this.saveContent[0] = button.parentNode.parentNode;
            this.saveContent[1] = this.saveContent[0].innerHTML;
            this.saveContent[2] = this.saveContent[0].parentNode.firstChild;
            this.saveContent[3] = this.saveContent[2].innerHTML;
            this.saveContent[2].innerHTML = '<a href="' + location.href + '"  title="' + this.lang.destroyTitle + '" ' + this.destroyAnchor + ' style="' + this.styles.destroyStyle + '"></a> ' + this.saveContent[3];
            this.active = true;
            this.saveContent[0].innerHTML = videoYT;
            return !this.active;
        },
        
        destroyInlineYT : function ()
        {   
            if (this.active)
            {
                this.restoreContent(true);
                this.active = false;            
            }
            return this.active;
        },
        
        init : function ()
        {
            var contentElements, containers;
            var attachContent = document.getElementsByClassName('attachcontent');
            if (attachContent.length < 1)
            {
                return false;
            }
            for (var i = 0; i < attachContent.length; i++)
            {
                contentElements = attachContent[i].getElementsByTagName('div');
                containers = [];
                for (var j = 0; j < contentElements.length; j++)
                {
                    if (contentElements[j].parentNode == attachContent[i])
                    {
                        containers.push(contentElements[j]);
                    }
                }
                if (containers[1])
                {
                    containers[1].innerHTML += '<a href="#" title="' + this.lang.createTitle + '" ' + this.createAnchor + ' style="' + this.styles.createStyle + '"></a>';
                }
            }
        }

    }
}
ytip.init();

// ==UserScript==
// @name           Youtube inline player
// @description    Embedovanie videa do obsahu príspevku
// @include        http://www.hojko.com/*
// @version        1.0
// ==/UserScript==