function newWindow(mypage,myname,w,h,features) { var winl = (screen.width-w)/2; var wint = (screen.height-h)/2; if (winl< 0) winl = 0; if (wint< 0) wint = 0; var settings = 'height=' + h + ','; settings += 'width=' + w + ','; settings += 'top=' + wint + ','; settings += 'left=' + winl + ','; settings += features; win = window.open(mypage,myname,settings); win.window.focus(); }