function openWindow(url,width,height,options,name) {
                width = width ? width : 800;
                height = height ? height : 600;
                options = options ? options : 'resizable=yes,menubar=no,location=no';
                name = name ? name : 'openWindow';
                window.open(
                    url,
                    name,
                    'screenX='+(screen.width-width)/2+',screenY='+(screen.height-height)/2+',width='+width+',height='+height+','+options
                )
            }