请问 一下，我的csshover.htc这个文件怎么用不了呢？不是说这个是一个:hover的IE6的兼容性文件吗？我从网上下载了过来，引入进来没有作用。想问一下各位，这个文件是怎么用的。<!doctype html><html><head><meta charset="utf-8"><title>无标题文档</title><style type="text/css"> ******************************* 这里是引入位置 ***************************************************************body {padding:0;font-size:10px;behavior:url(css/csshover.htc);}.topmenu {display:block;width:220px;border:2px solid #e4393c;margin:0;padding:0;}.toptitle {height:40px;line-height:40px;text-align:left;font-size:11pt;font-weight:bold;color:White;background:#e4393c;padding-left:20px;}.topmenu li {height:30px;line-height:30px;font-size:11pt;list-style-type:none;text-align:left;padding-left:8px;z-index:3;background-image:url(images/i_1.jpg);background-repeat:no-repeat;background-position:right;}.topmenu li a {text-decoration:none;color:#313131;}.topmenu li a:hover {text-decoration:underline;font-weight:bold;color:#e4393c;}.topmenu li:hover {border:1px solid #DDD;border-right:0;box-shadow:0 0 8px #DDD;-moz-box-shadow:0 0 8px #DDD;-webkit-box-shadow:0 0 8px #DDD;background-image:none;}.submenu {display:none;width:715px;left:220px;position:absolute;top:40px;border:1px solid #DDD;z-index:4;background:white;box-shadow:0 0 8px #DDD;-moz-box-shadow: 0 0 8px #DDD;-webkit-box-shadow:0 0 8px #DDD;}.leftdiv {float:left;width:490px;margin:5px;}.rightdiv {float:left;width:200px;margin:5px;}.topmenu li:hover .submenu {display:block;}.topmenu li:hover span {background:white;display:inline-block;z-index:20;width:20px;height:30px;float:right;position:relative;}.leftdiv dl {display:block;border:1px solid #EEE;padding-bottom:6px;overflow:hidden;}.leftdiv dl dt {display:block;float:left;text-align:right;height:22px;line-height:22px;padding-bottom:6px;}.leftdiv dl dt a {color:#e4393c;font-size:10pt;font-weight:bold;text-decoration:underline;}.leftdiv dl dd {display:block;overflow:hidden;}.leftdiv dl dd a {display:block;float:left;border-left:1px solid #CCC;color:#373737;font-size:9pt;padding:0 8px;height:14px;line-height:14px;margin: 4px 0;}.rightdiv dl dd {margin:3px 0;}.rightdiv dl dt {color:#e4393c;font-weight:bold;font-size:10pt;}.rightdiv dl dd a {font-size:9pt;color:#737373;line-height:22px;}.rightdiv dl dd a:hover {color:#737373;font-size:normal;}</style></head><body><ul class="topmenu"> <div id="topmenu" class="toptitle"> 全部商品分类 </div> <li><a href="#">图书、音像、数字商品</a><span></span> <div class="submenu"> <div class="leftdiv"> <dl> <dt><a href="#">电子书</a></dt> <dd> <a href="#">免费</a><a href="#">小说</a><a href="#">励志与成功</a> <a href="#">文学</a><a href="#">经管</a><a href="#">畅读VIP</a> </dd> </dl> </div> <div class="rightdiv"> <dl> <dd><a href="#"><img src="images/footer_logo03.gif"/></a></dd> <dd><a href="#"><img src="images/footer_logo03.gif"/></a></dd> </dl> <dl> <dt>推荐品牌</dt> <dd> <a href="#">美的官方旗舰店</a> </dd> <dd> <a href="#">美的官方旗舰店</a> </dd> <dd> <a href="#">美的官方旗舰店</a> </dd> <dd> <a href="#">美的官方旗舰店</a> </dd> <dd> <a href="#">美的官方旗舰店</a> </dd> <dd> <a href="#">美的官方旗舰店</a> </dd> </dl> </div> </div> </li> <li><a href="#">家用电器</a></li> <li><a href="#">手机、数码</a></li> <li><a href="#">电脑、办公</a></li> <li><a href="#">家居、家具、家装、厨具</a></li> <li><a href="#">服饰内衣、珠宝首饰</a></li> <li><a href="#">个护化妆</a></li> <li><a href="#">鞋靴、箱包、钟表、奢侈品</a></li> <li><a href="#">运动户外</a></li> <li><a href="#">汽车用品</a></li> <li><a href="#">母婴、玩具乐器</a></li> <li><a href="#">食品饮料、酒类、生鲜</a></li> <li><a href="#">营养保健</a></li></ul></body></html>**************************** csshover.htc 这个文件，源文件本身的代码 *************************************************<attach event="ondocumentready" handler="parseStylesheets" /><script>/** * Whatever:hover - V1.42.060206 - hover & active * ------------------------------------------------------------ * (c) 2005 - Peter Nederlof * Peterned - http://www.xs4all.nl/~peterned/ * License - http://creativecommons.org/licenses/LGPL/2.1/ * * Whatever:hover is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * Whatever:hover is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * Credits and thanks to: * Arnoud Berendsen, Martin Reurings, Robert Hanson * * howto: body { behavior:url("csshover.htc"); } * ------------------------------------------------------------ */var csshoverReg = /(^|\s)(([^a]([^ ]+)?)|(a([^#.][^ ]+)+)):(hover|active)/i,currentSheet, doc = window.document, hoverEvents = [], activators = { onhover:{on:'onmouseover', off:'onmouseout'}, onactive:{on:'onmousedown', off:'onmouseup'}}function parseStylesheets() { if(!/MSIE (5|6)/.test(navigator.userAgent)) return; window.attachEvent('onunload', unhookHoverEvents); var sheets = doc.styleSheets, l = sheets.length; for(var i=0; i<l; i++) parseStylesheet(sheets[i]);} function parseStylesheet(sheet) { if(sheet.imports) { try { var imports = sheet.imports, l = imports.length; for(var i=0; i<l; i++) parseStylesheet(sheet.imports[i]); } catch(securityException){} } try { var rules = (currentSheet = sheet).rules, l = rules.length; for(var j=0; j<l; j++) parseCSSRule(rules[j]); } catch(securityException){} } function parseCSSRule(rule) { var select = rule.selectorText, style = rule.style.cssText; if(!csshoverReg.test(select) || !style) return; var pseudo = select.replace(/[^:]+:([a-z-]+).*/i, 'on$1'); var newSelect = select.replace(/(\.([a-z0-9_-]+):[a-z]+)|(:[a-z]+)/gi, '.$2' + pseudo); var className = (/\.([a-z0-9_-]*on(hover|active))/i).exec(newSelect)[1]; var affected = select.replace(/:(hover|active).*$/, ''); var elements = getElementsBySelect(affected); if(elements.length == 0) return; currentSheet.addRule(newSelect, style); for(var i=0; i<elements.length; i++) new HoverElement(elements[i], className, activators[pseudo]); }function HoverElement(node, className, events) { if(!node.hovers) node.hovers = {}; if(node.hovers[className]) return; node.hovers[className] = true; hookHoverEvent(node, events.on, function() { node.className += ' ' + className; }); hookHoverEvent(node, events.off, function() { node.className = node.className.replace(new RegExp('\\s+'+className, 'g'),''); });} function hookHoverEvent(node, type, handler) { node.attachEvent(type, handler); hoverEvents[hoverEvents.length] = { node:node, type:type, handler:handler }; } function unhookHoverEvents() { for(var e,i=0; i<hoverEvents.length; i++) { e = hoverEvents[i]; e.node.detachEvent(e.type, e.handler); } }function getElementsBySelect(rule) { var parts, nodes = [doc]; parts = rule.split(' '); for(var i=0; i<parts.length; i++) { nodes = getSelectedNodes(parts[i], nodes); } return nodes;} function getSelectedNodes(select, elements) { var result, node, nodes = []; var identify = (/\#([a-z0-9_-]+)/i).exec(select); if(identify) { var element = doc.getElementById(identify[1]); return element? [element]:nodes; } var classname = (/\.([a-z0-9_-]+)/i).exec(select); var tagName = select.replace(/(\.|\#|\:)[a-z0-9_-]+/i, ''); var classReg = classname? new RegExp('\\b' + classname[1] + '\\b'):false; for(var i=0; i<elements.length; i++) { result = tagName? elements[i].all.tags(tagName):elements[i].all; for(var j=0; j<result.length; j++) { node = result[j]; if(classReg && !classReg.test(node.className)) continue; nodes[nodes.length] = node; } } return nodes; }</script>
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