// a small poupup window to show who's in the chat at the current time
function chat_popup() {
	// the size of the popup window
	var width = 700;
	var height = 500;

	// the x,y position of the popup window
	// NOTE: this formula will auto-center the popup on the screen
	var y = (screen.height - height) / 2;
	var x = (screen.width - width) / 2;

	var url = '/chat/flashchat.php';
	var options = 'width=' + width + ',height=' + height + ',top=' + y + ',left=' + x + ',resizable';

	// open the info window as a popup, instead of embedded in webpage
	window.open( url, 'info', options );
}