var wndSubs = 0;

function showChat() {
	if(wndSubs != 0) wndSubs.close();
	var wndWidth = 520;
	var wndHeight = 415;
	var wndX = screen.availWidth / 2 - wndWidth / 2 - 20;
	var wndY = screen.availHeight / 2 - wndHeight / 2 - 30;
	var options = "toolbar=no, location=no, directories=no, status=no, menubar=no, resizable=no, scrolling=auto, scrollbars=0, width=" + wndWidth + ", height=" + wndHeight +", left=" + wndX + ", top=" + wndY;
	wndSubs = window.open("_blank", "startup", options);
	wndSubs.location.href="http://www.380v.ru/chat.htm";
	wndSubs.focus();
}