var agt = navigator.userAgent.toLowerCase();
	var IE = (agt.indexOf("msie") != -1 || agt.indexOf("internet explorer") != -1);
	var NS = document.layers;

function openWindow(new_url, new_width, new_height,scrollbars) {
	var x, y, w, h;
	var param = "";
	if (new_width == null)
		new_width = 600;
	if (new_height == null)
		new_height = 400;
	if (scrollbars == null)
		scrollbars = true;
	if (scrollbars)
		scrollbars = "1";
	else
		scrollbars = "0";
	x = screen.width / 2 - new_width / 2;
	y = screen.height / 2 - new_height / 2;
	param += "width=" + new_width;
	param += ",height=" + new_height;
	param += ",left=" + x;
	param += ",top=" + y;
	param += ",scrollbars=" + scrollbars;
	param += ",toolbar=0,location=0,directories=0,menuBar=0,resizable=0";
	window.open(new_url, "", param);
}

function openChatChannel (channelID, userNick) {
	//openWindow("http://onirc.com/chat/chat.asp?channel=" + escape(channelID) + "&chat_nick=" + escape(userNick),780,550,false);
	openWindow("http://www.onirc.com/chat/chat.asp?channel=" + escape(channelID),1010,650,false);
}

function openChatChannel2 (channelID, userNick) {
	//openWindow("http://onirc.net/chat/chat2.asp?channel=" + escape(channelID) + "&chat_nick=" + escape(userNick),780,550,false);
	openWindow("http://www.onirc.net/chat/chat2.asp?channel=" + escape(channelID),1010,650,false);
}

function rollover (obj) {
	if (obj.className.indexOf("Over") == -1)
		obj.className += "Over";
	else
		obj.className = obj.className.substring(0, obj.className.length - 4);
}