点击按钮自动变化

[code] ?<!–搜索开始–> ? ?<!– iAsk begin –> ?<!– iAsk begin –> ?<style type=”text/css”> ?.s_on{background-image:url(http://image2.sina.com.cn/pfp/ask/0208/images/l_tbg_on.gif); background-repeat:no-repeat; padding-top:5px; cursor:hand; background-color:#ffc52e;} ?.s_of{background-image:url(http://image2.sina.com.cn/pfp/ask/0208/images/l_tbg_off.gif); background-repeat:no-repeat; padding-top:5px; cursor:hand; background-color:#f0f0f0;} ?.m_on{background-image:url(http://image2.sina.com.cn/pfp/ask/0208/images/l_ms_on.gif); background-repeat:no-repeat; padding-top:5px; cursor:hand;} ?.bk_n{height:22px; width:100%; font-size:14px;} ?.eg{color:#999999; font-size:12px;} ?.pt2{padding-top:2px;} ?.pl5{padding-left:5px;} ?.blbr1d9{border-left:1px solid #d9d9d9; border-right:1px solid #d9d9d9;} ?</style> ?<script type=”text/javascript”> ?function s_chg(td_now, mCols, fn) ?{ ? s_td_1.className = s_td_2.className = s_td_3.className = s_td_4.className = s_td_6.className = s_td_7.className = “s_of”; ? td_now.className = “s_on”; ? move_xjt.colSpan = mCols; ? ? if(td_now.id == “s_td_1”) ? { ? ?lc.style.display = “none”; ? ?btn1.height = “35”; ? ?btn1.innerHTML = “<input id=btn_i type=submit value=’搜 索’ style=’width:60px;’>&nbsp;&nbsp;<input type=button value=’提 问’ style=’width:60px;’ onClick=’ask(this.form);’>”; ? ?eg2.style.display = “none”; ? ?fn.i_k.name = “k”; ? ?fn.action = “http://iask.com/s”; ? } ? if(td_now.id == “s_td_3”) ? { ? ?lc.style.display = “none”; ? ?btn1.height = “35”; ? ?btn1.innerHTML = “<input id=btn_i type=submit value=’搜 索’ style=’width:60px;’>”; ? ?eg2.style.display = “none”; ? ?fn.i_k.name = “k”; ? ?fn.action = “http://iask.com/n”; ? } ? if(td_now.id == “s_td_4”) ? { ? ?lc.style.display = “none”; ? ?btn1.height = “35”; ? ?btn1.innerHTML = “<input id=btn_i type=submit value=’搜 索’ style=’width:60px;’>”; ? ?eg2.style.display = “none”; ? ?fn.i_k.name = “k”; ? ?fn.action = “http://p.iask.com/p”; ? } ? if(td_now.id == “s_td_6”) ? { ? ?lc.style.display = “none”; ? ?btn1.height = “35”; ? ?btn1.innerHTML = “<input id=btn_i type=submit value=’搜 索’ style=’width:60px;’>”; ? ?eg2.style.display = “none”; ? ?fn.i_k.name = “k”; ? ?fn.action = “http://m.iask.com/g”; ? } ? if(td_now.id == “s_td_5”) ? { ? ?lc.style.display = “none”; ? ?btn1.height = “35”; ? ?btn1.innerHTML = “<input id=btn_i type=submit value=’搜 索’ style=’width:60px;’>”; ? ?eg2.style.display = “none”; ? ?fn.i_k.name = “k”; ? ?fn.action = “http://iask.com/v”; ? } ? if(td_now.id == “s_td_2”) ? { ? ?lc.style.display = “none”; ? ?btn1.height = “35”; ? ?btn1.innerHTML = “<input id=btn_i type=submit value=’提 问’ style=’width:60px;’>”; ? ?eg2.style.display = “none”; ? ?fn.i_k.name = “title”; ? ?fn.action = “http://iask.sina.com.cn/question/ask_new_2.php”; ? } ? if(td_now.id == “s_td_7”) ? { ? ?lc.style.display = “block”; ? ?lc.style.paddingTop = “0”; ? ?btn1.height = “25”; ? ?btn1.innerHTML = “<input id=btn_i type=submit value=’搜 索’ style=’width:60px;’>”; ? ?eg2.style.display = “block”; ? ?fn.i_k.name = “key”; ? ?fn.action = “http://bendi.iask.com/r.php”; ? } ?} ?function mouse_on(td_now) ?{ ? if(td_now.className == “s_on”) return false; ? else td_now.className = “m_on”; ?} ?function mouse_of(td_now) ?{ ? if(td_now.className == “s_on”) return false; ? else td_now.className = “s_of”; ?} ?</script> ?<script language=”javascript”> ?function iask_ck(fn) ?{ ? if(fn.i_k.value == “”) ? { ? ?if(fn.btn_i.value == “提 问”) ? ?{ ? ? window.open(“http://iask.sina.com.cn/”); ? ? return false; ? ?} ? } ?} ? ?function ask(fn) ?{ ? if(fn.k.value == “”) ? { ? ?window.open(“http://iask.sina.com.cn/”); ? ?return false; ? } ? else ? { ? ?window.open(“http://iask.sina.com.cn/question/ask_new_2.php?title=” + fn.k.value); ? } ?} ?</script> ?<table border=”0″ width=”286″ cellpadding=”0″ cellspacing=”0″> ? <tr><td height=”3″><img src=”http://image2.sina.com.cn/pfp/ask/0208/images/l_top.gif” border=”0″ width=”286″ ?height=”3″></td></tr> ? <tr> ? ?<td height=”36″ class=”blbr1d9″> ? ? ?<table border=”0″ width=”100%”> ? ? <tr> ? ? ?<td width=”80″ height=”20″ align=”center”><a href=”http://iask.com/” target=”_blank”><img src=”http://image2.sina.com.cn/pfp/ask/0208/images/l_iask_logo2.gif” border=”0″ width=”60″ height=”15″ alt=”爱问搜索”></a></td> ? ? ?<td valign=”bottom”><a href=”http://zhishi.iask.com/” target=”_blank”>知识人，亿万网民帮您解决困难！</a></td> ? ? </tr> ? ? <tr><td height=”5″></td></tr> ? ?</table> ? ?</td> ? ? </tr> ? <tr> ? ?<td height=”30″ class=”blbr1d9″> ? ?<table border=”0″ width=”100%” cellpadding=”0″ cellspacing=”0″ background=”http://image2.sina.com.cn/pfp/ask/0208/images/t_bg.gif”> ? ? <tr align=”center”> ? ? ?<td width=”11″ height=”21″>&nbsp;</td> ? ? ?<td width=”42″ id=”s_td_1″ class=”s_on” onClick=”s_chg(this,1,f);” onMouseOver=”mouse_on(this);” onMouseOut=”mouse_of(this);”>网页</td> ? ? ?<td width=”2″></td> ? ? ? ?<td width=”42″ id=”s_td_3″ class=”s_of” onClick=”s_chg(this,3,f);” onMouseOver=”mouse_on(this);” onMouseOut=”mouse_of(this);”>新闻</td> ? ? ?<td width=”2″></td> ? ? ?<td width=”42″ id=”s_td_7″ class=”s_of” onClick=”s_chg(this,5,f);” onMouseOver=”mouse_on(this);” onMouseOut=”mouse_of(this);”>本地</td> ? ? ?<td width=”2″></td> ? ? ?<td width=”42″ id=”s_td_2″ class=”s_of” onClick=”s_chg(this,7,f);” onMouseOver=”mouse_on(this);” onMouseOut=”mouse_of(this);”>知识人</td> ? ? ?<td width=”2″></td> ? ? ?<td width=”42″ id=”s_td_4″ class=”s_of” onClick=”s_chg(this,9,f);” onMouseOver=”mouse_on(this);” onMouseOut=”mouse_of(this);”>图片</td> ? ? ? ?<td width=”2″></td> ? ? ?<td width=”42″ id=”s_td_6″ class=”s_of” onClick=”s_chg(this,11,f);” onMouseOver=”mouse_on(this);” onMouseOut=”mouse_of(this);”>MP3</td> ? ? ?<td>&nbsp;</td> ? ? </tr> ? ? <tr> ? ? ?<td id=”move_xjt” colspan=”1″></td> ? ? ?<td height=”9″ align=”center”><img src=”http://image2.sina.com.cn/pfp/ask/0208/images/t_xjt.gif” border=”0″ width=”13″ height=”9″></td> ? ? ?<td></td> ? ? ? </tr> ? ?</table> ? ?</td> ? </tr> ? <tr> ? <form name=f action=http://iask.com/s target=_blank onSubmit=”return iask_ck(this)”> ? ?<td height=”71″ align=”center” valign=”top” bgcolor=”#f9f9fa” class=”blbr1d9″> ? ?<table border=”0″ width=”100%” cellpadding=”0″ cellspacing=”0″> ? ? <tr><td height=”2″></td></tr> ? ? ? <tr valign=”top”> ? ? ?<td width=”15″></td> ? ? ?<td><input type=”text” id=”i_k” name=”k” size=”20″ class=”bk_n”><div id=”eg2″ class=”eg pt2″ style=”display:none;”>例:餐厅,酒吧,金陵饭店</div></td> ? ? ?<td width=”110″ id=”lc” class=”pl5″ style=”display:none;”><input type=”text” name=”cl” id=”location” size=”15″ class=”bk_n”><div class=”eg pt2″>例:南京,广州中山路</div></td> ? ? ?<td width=”15″></td> ? ? </tr> ? ?</table> ? ?<table border=”0″ width=”100%” cellpadding=”0″ cellspacing=”0″> ? ? ? <tr align=”center” valign=”bottom”> ? ? ?<td id=”btn1″ height=”35″><input id=btn_i type=submit value=’搜 索’ style=’width:60px;’>&nbsp;&nbsp;<input type=button value=’提 问’ style=’width:60px;’ onClick=’ask(this.form);’></td> ? ? </tr> ? ?</table> ? ?</td> ? <input type=”hidden” name=”fsh_s”> ? </form> ? </tr> ?</table> ? ?<!– iAsk end –> ?<!– iAsk end –> ?<!–搜索结束–> ?[/code]