function chat()
{
var span = document.getElementById("chat");	// 	span
var strelka = document.getElementById("scrit"); // img
			strelka.onclick = function()
			{
				if (span.style.display == "inline")
				{
					span.style.display = "none";
					strelka.src = "/images/online.gif";
					strelka.title = "Развернуть";
				}
				else
				{
					span.style.display = "inline";
					strelka.src = "/images/skrit.gif";
					strelka.title = "Скрыть";
				}
			}
}