<img src="http://code.helpor.net/picture/swimming.gif" name="u" border="1" alt="很好玩的"> <script language="JavaScript"> var b = 1; var c = true; function www_helpor_net(){ if(document.all); if(c == true) { b++; } if(b==100) { b--; c = false } if(b==10) { b++; c = true; } if(c == false) { b--; } u.width=150 + b; u.height=125 - b; setTimeout("www_helpor_net()",50); } www_helpor_net(); </script>