前进后退图形

注释：放在<body>与</body>之间

<a href ="" onClick="parent.history.back(); return false;" onMouseOver="self.status='后退' ;return true;"><img src="//oocities.com/tonychenusa/bao03/01.gif" border=0 ></a> <a href ="http://oocities.com/tonychenus/index.html" onClick="parent.history.forward(); return false;" onMouseOver="self.status='前进'; return true;"><img src="//oocities.com/tonychenusa/bao03/05.gif" border=0 ></a>