// JavaScript Document

function popup(url,width,height)
{
if (width==undefined){
	var width = 450;
	}
if (height==undefined){
	var height = 300;
	}
var left = (screen.width - width)/2;
var top = (screen.height - height)/2;
var params = 'width='+width+', height='+height;
params += ', top='+top+', left='+left;
params += ', directories=no';
params += ', location=no';
params += ', menubar=no';
params += ', resizable=yes';
params += ', scrollbars=yes';
params += ', status=no';
params += ', toolbar=no';
newwin=window.open(url,'Chat', params);
if (window.focus) {newwin.focus()}
}