function window_open(url,sizex,sizey,r) {
var r,sizex,sizey,url;
window.open (url, r, 'Toolbar=0, Titlebar=0, Location=0, Directories=0, Status=0, Menubar=0, Scrollbars=0, Resizable=0, Copyhistory=1, width='+sizex+',height='+sizey);
}