function social_box_absolut(){
	var a=$(window).scrollTop();
	a>310&&$("#pravy-obsah").css("position")=="absolute" ? ($("#pravy-obsah").css("position","fixed"),$("#pravy-obsah").css("top","55px"),$("#pravy-obsah").css("marginTop","0px")) : a<=310&&$("#pravy-obsah").css("position")=="fixed"&&($("#pravy-obsah").css("position","absolute"),$("#pravy-obsah").css("top","auto"),$("#pravy-obsah").css("marginTop","55px"));return!1}