滑動菜單

<style> table {font-size = 9pt} td {height = 20px} </style> <body> <span id="menus"></span> <span id="view"></span> </body> <script for=pad event=onclick> // 大類節點點擊響應 for(var i=1;i<this.parentElement.rows.length;i+=2)  this.parentElement.rows[i].style.display = "none"; this.parentElement.rows[this.rowIndex+1].style.display='block'; view.innerHTML = this.v1 +":"+ this.v2; // 根據大小類自行構造相應動做 </script> <script for=bar event=onclick> // 小類節點點擊響應 view.innerHTML = this.v1 +":"+ this.v2; // 根據大小類自行構造相應動做 </script> <script> /** * 產生菜單的html代碼串 * 入口參數爲菜單默認打開的大類號 */ function menu(n) {   this.ar = new Array(   /**    * 參數數組    * 列1:大類    * 列2:小類    * 列3:標題    */   new Array(1,0,"大類一"),   new Array(1,1,"小類一"),   new Array(1,2,"小類二"),   new Array(2,0,"大類二"),   new Array(2,1,"小類一"),   new Array(2,2,"小類二"),   new Array(2,3,"小類三"),   new Array(3,0,"大類三"),   new Array(3,1,"小類一"),   new Array(3,2,"小類二"),   new Array(4,0,"大類四"),   new Array(4,1,"小類一"),   new Array(4,2,"小類二"),   new Array(4,3,"小類三")   );   this.width =120;   this.bgcolor = "#f0f0f0";   this.bordercolorlight = "#c0c0c0";   this.bordercolordark = "#FFFFFF";   this.tr_bgcolor = "#d0d0d0";   var s = "<table border=1 align=center width="+this.width+" bgcolor="+this.bgcolor+" bordercolorlight="+this.bordercolorlight+" bordercolordark="+this.bordercolordark+" CELLPADDING=0 CELLSPACING=0>"   for(var i=0;i<this.ar.length;i++) { // 構造菜單的html結構,其中將大小類編號做爲自定義參數,以便事件響應時使用。     if(this.ar[i][1] == 0) {       if(i > 0)         s += "</table></td></tr>";       var vk = this.ar[i][0]==n?"block":"none";       s += "<tr id='pad' bgcolor="+this.tr_bgcolor+" v1="+this.ar[i][0]+" v2="+this.ar[i][1]+"><td align=center>"+this.ar[i][2]+"</td></tr><tr style='display:"+vk+"'><td><table width=100%>";     }else       s += "<tr><td id='bar' v1="+this.ar[i][0]+" v2="+this.ar[i][1]+">"+this.ar[i][2]+"</td></tr>";   }   s += "</table></td></tr></table>";   return s; } /*** 建立菜單 ***/ menus.innerHTML = menu(4); </script>
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