// JavaScript Document

function openWindow(url,name,w,h) {
xPos = (screen.width - w) / 2;
yPos = (screen.height - h) / 2;
config = 'left=' + xPos + ',screenX=' + xPos + ',top=' + yPos + ',screenY=' + yPos + ',width=' + w + ',height=' + h; 
newWindow = window.open(url, name, config);
}