回到顶部

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document.writeln('<DIV  style="z-index:9;right:0;bottom:0;height:'+h+'px;width:'+w+'px;overflow:hidden;POSITION:fixed;_position:absolute; _margin-top:expression(document.documentElement.clientHeight-this.style.pixelHeight+document.documentElement.scrollTop);">');
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document.writeln('<DIV  style="z-index:9;right:0;bottom:0;height:'+h+'px;width:'+w+'px;overflow:hidden;POSITION:fixed;*position:absolute; *top:expression(eval(document.body.scrollTop)+eval(document.body.clientHeight)-this.style.pixelHeight);">');
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document.writeln('<div style="clear:both;margin:auto;height:30px;font-size:16px;overflow:hidden;font-weight:bold;text-align:left;"><a href="javascript:scroll(0,0)" hidefocus="true"><img src=" http://hotel.114.com.hk/images/detail_btn_goTop.gif " alt="回到顶部" style="border: 0px;" /></a></div> ');
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已经测试在IE8下正常
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谷歌浏览器正常
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火狐未测试
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如果你发现有错误
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希望可以指正：）谢谢
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以下是“回到顶部”的图标
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http://www.hwachii.com.tw/images/go_top.gif
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http://www.longyoung.com/newsletter/go_top.gif
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http://www.ailainet.com/layouts/Ailainet_V3_SUB/images/default/btn_top.gif
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http://hotel.114.com.hk/images/detail_btn_goTop.gif
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http://www.ulearning.org/china/images/btnGoTop.gif
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http://www.cdc.gov/vaccines/images/top.gif
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