jQuery(document).ready(function(){
	var _fixedHolder = jQuery('div.fixed-holder'),
		_top = parseInt(jQuery('div.social-medias', _fixedHolder).css('top')),
		_window = jQuery(window);
		
	_window.scroll(scrollThis);
	
	function scrollThis() {
		if (_window.scrollTop() > _top-20) _fixedHolder.addClass('fixed-holder-active');
		else _fixedHolder.removeClass('fixed-holder-active');
	}
    
    var like_img = jQuery('.size-full.aligncenter img').attr("src");
    var page_link = jQuery('.comments-number').attr('href').replace('/#respond','');
    var og_img = "<meta property='og:​image' content=" + like_img + "/​>";
    var og_link = "<meta property='og:​url' content=" + page_link + "/​>";
    
    jQuery('head').prepend(og_img);
    jQuery('head').prepend(og_link);
    
});