仿MSN 弹出提示信息的脚本改进版

  -   108   && popTop <=   1720 ){
  oPopup.show(screen.width - 200 ,screen.height, 193 , 1720   - popTop);
} else   if (popTop >= 1500   && popTop <   1720   -   108 ){
oPopup.show(screen.width - 200 , screen.height -   220   + (popTop -   1500 ), 193 , 108 );
} else   if (popTop <= 108 ){
oPopup.show(screen.width - 200 , screen.height, 193 , popTop);
}
else   if (popTop <= 220 ){
oPopup.show(screen.width - 200 , screen.height - popTop, 193 , 108 );
} else {
  // window.status=popTop + "  else";
  oPopup.show(screen.width - 200 , screen.height - 220