function openWindow(url, name) { 
	var winWidth = 488;
	var winHeight = 450;
	var winTop = parseInt((screen.availHeight - winHeight) / 2);
	var winLeft = parseInt((screen.availWidth - winWidth) / 2);
	popupWin = window.open(url,name,"width=" + winWidth + ",height=" + winHeight + ",top=" + winTop + ",left=" + winLeft + ",resizable=no,scrollbars=no,statusbar=no");
	if (popupWin.opener == null) popupWin.opener = self;
}
function showActiveChat() {
	document.getElementById("active-chat").style.display = "block";
}
function activeChat() {
	openWindow('https://ncc.uolhost.com.br/chat_uol_host/cliente/frm_login.asp?IDArea=2&sel=Active', 'remote');
}
window.setTimeout('showActiveChat()', tempoActiveChat);