function popup(url, target)

{

	w = screen.width*(3/4);

	h = screen.height*(3/4);

	l = (screen.width-w)/2;

	t = (screen.height-h)/2;

	widthHeight = "width="+w+",height="+h+",left="+l+",top="+t+",menubar=no,resizable=yes,scrollbars=no,status=no,toolbar=no,location=no";

	window.open(url,target,widthHeight);

	return true

}



function openchat(oForm)

{

	if (oForm.nick.value.length == 0)

	{

		alert ('Du måste fylla i ditt nick');

	}

	else

	{

		s = oForm.style.value + '?nick=' + oForm.nick.value;

		popup(s,'chatroom');

	}

	return false;

}