Show the two divs side by side and click the title to switch the content
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="zh-CN" xml:lang="zh-CN"><head><title> TAB </title><style type="text/css"><!--* { margin:0; padding:0; font-size:12px; font-weight:normal; }.jj { font-weight:bolder!important; }.box { border-top-color:#c00!important; }.pr { color:#060!important; }#tab01 { position:relative; width:336px; height:88px; padding-top:15px; margin:50px; overflow:hidden; }#tab01 h3 { position:relative; z-index:2; float:left; height:14px; padding:0 7px 0 8px; margin-left:-1px; border-left:solid 1px #ccc; border-right:solid 1px #fff; text-align:center; background:#fff; cursor:pointer; }#tab01 h3.up { height:18px; padding:5px 7px 0 7px; margin:-6px 0 0 0; border:solid #ccc; border-width:1px 1px 0; color:#c00; }#tab01 div { display:none; position:absolute; left:0; top:32px; z-index:1; width:324px; height:54px; padding:5px; border:solid 1px #ccc; color:#666; }#tab01 div.up { display:block; }#tab02 { position:relative; width:200px; margin:50px; border:solid #ccc; border-width:0 1px 1px; }#tab02 h4 { height:18px; line-height:18px; border:solid #ccc; border-width:1px 0; margin-bottom:-1px; text-align:center; background:#f6f6f6; cursor:pointer; }#tab02 h4.up { color:#c00; }#tab02 ol { display:none; height:54px; padding:5px; color:#666; }#tab02 ol.up { display:block; }#tab03 { position:relative; width:100px; margin:50px; }#tab03 h3 { position:relative; z-index:1; height:16px; padding-top:4px; margin-bottom:-1px; border:solid #ccc; border-width:1px 0 1px 1px; text-align:center; font-family: Song typeface ; background:#eee; cursor:pointer; }#tab03 h3.up { z-index:3; color:#c00; background:#fff; }#tab03 div.tab { display:none; position:absolute; left:99px; top:0; z-index:2; width:300px; height:200px; padding:5px; border:solid 1px #ccc; color:#666; }#tab03 div.tab.up { display:block; }--></style></head><body><div id="tab01"><h3> Home page </h3><div class="jj"><p> Heh heh, ignore div The original class Value. </p></div><h3 class="pr"> test </h3><div><p> Continue to ignore the h3 The original class Value. </p></div><h3> boring </h3><div><p>h3 No value can be ~ </p></div><h3 class="box"> jerk </h3><div><p>div No value can be ~ </p></div></div><div id="tab02"><h4> Home page </h4><ol class="pr"><li> Heh heh, ignore the container primitive class Value. </li></ol><h4 class="box"> test </h4><ol><li> Continue to ignore the h3 The original class Value. </li></ol><h4> boring </h4><ol><li>h3 No value can be ~ </li></ol><h4 class="bb"> jerk </h4><ol><li>div No value can be ~ </li></ol></div><div id="tab03"><h3> Home page </h3><div class="tab"><p> Heh heh, ignore h3 The original class Value. </p></div><h3> test </h3><div class="tab wushi"><p> Continue to ignore the div The original class Value. </p></div><h3> boring </h3><div class="tab"><p>h3 No value can be ~ </p></div><h3 class="box"> jerk </h3><div class="tab tab123"><p>class Similar values can also be ~ </p><div><p> The specified class And then immediately one more div All right. </p></div></div></div><script type="text/javascript"><!--function Pid(id,tag){if(!tag){return document.getElementById(id);}else{return document.getElementById(id).getElementsByTagName(tag);}}function tab(id,hx,box,iClass,s,pr){var hxs=Pid(id,hx);var boxs=Pid(id,box);if(!iClass){ //If class is not specified, then:boxsClass=boxs; //Use box directly as the container}else{ //If class is specified, then:var boxsClass = [];for(i=0;i<boxs.length;i++){if(boxs[i].className.match(/btabb/)){//Determines the class match of the containerboxsClass.push(boxs[i]);}}}if(!pr){ //If the preexpanded container is not specified, then:go_to(0); //Default expanded sequenceyy();}else {go_to(pr);yy();}function yy(){for(var i=0;i<hxs.length;i++){hxs[i].temp=i;if(!s){//If no event is specified, then:s="onmouseover"; //Using default eventshxs[i][s]=function(){go_to(this.temp);}}else{hxs[i][s]=function(){go_to(this.temp);}}}}function go_to(pr){for(var i=0;i<hxs.length;i++){if(!hxs[i].tmpClass){hxs[i].tmpClass=hxs[i].className+=" ";boxsClass[i].tmpClass=boxsClass[i].className+=" ";}if(pr==i){hxs[i].className+=" up"; //Expanded status: titleboxsClass[i].className+=" up"; //Expanded state: container}else {hxs[i].className=hxs[i].tmpClass;boxsClass[i].className=boxsClass[i].tmpClass;}}}}tab("tab01","h3","div","","onclick",2); tab("tab02","h4","ol");tab("tab03","h3","div","tab");//--></script></body></html>