Multi-level dynamic navigation menu with next level

Author：Eve Cole Update Time：2009-06-20 15:46:17

After running and seeing the effect, you can click the down arrow to expand the table, and click the up button to shrink the table! Hope it's useful to you!

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http ://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>www.downcodes.com< /title> <script language="javascript"> function tablecollapse() { /* Variables */ var collapseClass='footcollapse'; var collapsePic=''; var expandPic=''; var initialCollapse=true; // loop through all tables var t=document.getElementsByTagName('table'); var checktest= new RegExp("(^|\s)" + collapseClass + "(\s|$)"); for (var i=0;i <t.length;i++) { // if the table has not the right class, skip it if(!checktest.test(t[i].className)){continue;} // make the footer clickable t[i] .getElementsByTagName('tfoot')[0].onclick=function() { // loop through all bodies of this table and show or hide // them var tb=this.parentNode.getElementsByTagName('tbody'); for(var i=0;i<tb.length;i++) { tb[i].style.display=tb[i].style.display=='none'?'':'none'; } // change the image accordingly var li=this.getElementsByTagName('img')[0]; li.src=li.src.indexOf(collapsePic)==-1?collapsePic:expandPic; } // if the bodies should be collapsed initially, do so if (initialCollapse) { var tb=t[i].getElementsByTagName('tbody'); for(var j=0;j<tb.length;j++) { tb[j].style.display='none'; } } // add the image surrounded by a dummy link to allow keyboard // access to the last cell in the footer var newa=document.createElement('a'); newa.href='#'; newa.onclick=function() {return false;} var newimg=document.createElement('img'); newimg.src=initialCollapse?expandPic:collapsePic; var tf=t[i].getElementsByTagName('tfoot')[0]; var lt=tf. getElementsByTagName('td')[tf.getElementsByTagName('td').length-1]; newa.appendChild(newimg); lt.insertBefore(newa,lt.firstChild); } } // run tablecollapse when the page loads window .onload=tablecollapse; </script> <style type="text/css"> body{ font-family:Arial,Sans-Serif; font-size:90%; background:#cc9; } #boundary{ background:# f8f8f8; padding:2em; width:40em; } h1{ font-family:"Trebuchet MS",Sans-serif; text-transform:uppercase; color:#696; font-size:120%; } table.footcollapse{ width :30em; } table.footcollapse caption{ font-size:120%; text-transform:uppercase; text-align:left; padding:.5em 1em; } table.footcollapse th{ text-align:left; } table.footcollapse ,table.footcollapse th,table.footcollapse th { border:none; border-collapse:collapse; } table.footcollapse thead th { width:10em; border-style:solid; border-width:1px; border-color:#cff #69c #69c #cff; background:#9cf; padding:2px 10px; } table.footcollapse tfoot th, table.footcollapse tfoot td { border-style:solid; border-width:1px; border-color:#9cf #369 #369 #9cf; background:#69c; padding:2px 10px; } table.footcollapse tbody{ background:#ddd; } table.footcollapse tbody td{ padding:5px 10px; border:1px solid #999; } table.footcollapse tbody th{ padding:2px 10px; border:1px solid #999; border-left:none; } table.footcollapse tbody tr.odd{ background:#ccc; } table.footcollapse tfoot td img{ border:none; vertical-align: bottom; padding-left:10px; float:right; } </style> </head> <body> <table summary="CDs I listened to recently" class="footcollapse"> <caption>My recent CDs</caption > <thead> <tr> <th>Title</th> <th>Artist</th> <th>Quality</th> </tr> </thead> <tfoot> <tr> <th>Total< /th> <td colspan="2">5 CDs</td> </tr> </tfoot> <tbody> <tr> <th>Front 242</th> <td>Front By Front</td> <td>Quite OK</td> </tr> <tr class="odd"> <th>Miss Kittin</th> <td>i.com</td> <td>good buy</td> < /tr> <tr> <th>Die Fantastischen Vier</th> <td>Viel</td> <td>Nice comeback</td> </tr> <tr class="odd"> <th>Nine Inch Nails</th> <td>With Teeth</td> <td>Oh yes, finally a new one</td> </tr> <tr> <th>Garbage</th> <td>Bleed like me< /td> <td>Needs more listening</td> </tr> </tbody> </table> <table summary="DVDs I watched recently" class="footcollapse"> <caption>My recent DVDs</caption > <thead> <tr> <th>Title</th> <th>Quality</th> </tr> </thead> <tfoot> <tr> <th>Total</th> <td>5 DVDs </td> </tr> </tfoot> <tbody> <tr> <th>Star Trek TNG Season 7</th> <td>They lost it</td> </tr> <tr class="odd "> <th>Big Fish</th> <td>Wonderful Tale</td> </tr> <tr> <th>Closer</th> <td>I want my time back!</td> </tr> tr> <tr class="odd"> <th>Hot Shots</th> <td>Always worth it</td> </tr> <tr> <th>The Party</th> <td>A shame there is not more Sellers</td> </tr> </tbody> </table> </body> </html>