"načíst další" tlačítko do blogu

/*blog modul css id = pa-blog-load-more*/
/*přidat tlačítko a dát css id= pa_load_more*/
/*vložit kód do head*/
<script>
jQuery(document).ready(function(){
    //For mobile Screens
    if (window.matchMedia('(max-width: 767px)').matches) {
        var initial_show_article = 3;
    var article_reveal = 2;
    jQuery(".pa-blog-load-more article").not( ":nth-child(-n+"+initial_show_article+")" ).css("display","none");
    jQuery("#pa_load_more").on("click", function(event){
        event.preventDefault();
        initial_show_article = initial_show_article + article_reveal;
        jQuery(".pa-blog-load-more article").css("display","block");
        jQuery(".pa-blog-load-more article").not( ":nth-child(-n+"+initial_show_article+")" ).css("display","none");
        var articles_num = jQuery(".pa-blog-load-more article").not('[style*="display: block"]').length
            if(articles_num == 0){
            jQuery(this).css("display","none");    
            }   
    })
    } else {
        //For desktop Screens
        var initial_row_show = 1;
        var row_reveal = 2;
        var total_articles = jQuery(".pa-blog-load-more article").length;
        jQuery(".pa-blog-load-more article").not( ":nth-child(-n+"+initial_row_show+")" ).css("display","none");
        
        jQuery("#pa_load_more").on("click", function(event){
            event.preventDefault();
            initial_row_show = initial_row_show + row_reveal;
            jQuery(".pa-blog-load-more article").css("display","block");
            jQuery(".pa-blog-load-more article").not( ":nth-child(-n+"+initial_row_show+")" ).css("display","none");
            var articles_num = jQuery(".pa-blog-load-more article").not('[style*="display: block"]').length
            if(articles_num == 0){
            jQuery(this).css("display","none");    
            }    
        })
    } 
})
</script>