function show_additional_events(obj) {
var x = document.getElementsByTagName("div");
for (var i=0;i<x.length;i++) {
	if ( x[i].className == "additional_events")	{
		if (x[i].style.display != "block") { 
			x[i].style.display = "block";
			obj.innerHTML = "<span><span>Свернуть афишу</span></span>";
		}
		else { x[i].style.display = "none"; obj.innerHTML = "<span><span>Развернуть афишу</span></span>";}
	}
}
}