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  <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>Power by orzzo.com</title> </head> <body> <table width="350" border="1" style="border-collapse:collapse " bordercolor="#111111" cellpadding="0" cellspacing="0"> <tr> <td width="150"> <form name="frm"> <select id="leftSel" name="s1" size="10" multiple style="width:100%" onchange="redirec(document.frm.s1.options.selectedIndex)"> <option value="0">遼寧</option> <option value="0">黑龍江</option> <option value="0">吉林</option> <option value="0">河北</option> </select> </form> </td> <td width="50" valign="middle"> <p style="width:100%" align="center"><input type="button" value="添加" onclick="addPro()"></p> <p style="width:100%" align="center"><input type="button" value=">>" onclick="moveRight()"></p> <p style="width:100%" align="center"><input type="button" value="<<" onclick="moveLeft()"></p> <p style="width:100%" align="center"><input type="button" value="全部右移" onclick="moveAllright()"></p> <p style="width:100%" align="center"><input type="button" value="全部左椅" onclick="moveAllleft()"></p> <p style="width:100%" align="center"><input type="button" value="刪除" onclick="removeSel()"></p> <p style="width:100%" align="center"><input type="button" value="刪除全部" onclick="delAll()"></p> </td> <td width="150"> <select id="rightSel" size="10" multiple style="width:100% "></select> </td> </tr> <tr> <td align="center"></td> <td align="center"></td> <td align="center"> <input type="reset" onClick="javascript:window.location.reload();" value="重置"> <input type="button" value="提交"> </td> </tr> </table> <script> var Z = function(id){ if (document.getElementById(id)){ return document.getElementById(id) } else{ alert("not found object"); } } var leftSel = Z("leftSel"); var rightSel = Z("rightSel"); function removeSel(){ if(leftSel.selectedIndex > -1){ for(i=0;i<leftSel.options.length;i++){ if(leftSel.options[i].selected){ leftSel.remove(i); i = i - 1; } } } if(rightSel.selectedIndex > -1){ for(i=0;i<rightSel.options.length;i++){ if(rightSel.options[i].selected){ rightSel.remove(i); i = i - 1; } } } } function removeAll(){ for(i=0;i<leftSel.options.length||i<rightSel.options.length;i++){ leftSel.remove(i)||rightSel.remove(i); i = i - 1; } } function delAll(){ for(i=0;i<leftSel.options.length||i<rightSel.options.length;i++){ leftSel.remove(i)||rightSel.remove(i); i = i - 1; } } function moveRight(){ for(i=0;i<leftSel.options.length;i++){ if(leftSel.options[i].selected){ rightSel.appendChild(leftSel.options[i]); i = i - 1; } } } function moveLeft(){ for(i=0;i<rightSel.options.length;i++){ if(rightSel.options[i].selected){ leftSel.appendChild(rightSel.options[i]); i = i - 1; } } } function moveAllright(){ for(i=0;i<leftSel.options.length;i++){ rightSel.appendChild(leftSel.options[i]); i = -1; } } function moveAllleft(){ for(i=0;i<rightSel.options.length;i++){ leftSel.appendChild(rightSel.options[i]); i = -1; } } function addPro(){ var name = prompt(); if(name == null || name ==""){ alert("內容不能為空"); } else{ var opt = document.createElement("option"); leftSel.appendChild(opt); opt.innerHTML = name; } } //聯動 var leftLen = leftSel.options.length; var s2 = new Array(leftLen); for(i=0;i<leftLen;i++){ s2[i] = new Array(); } s2[0][0] = new Option("廈門",""); s2[0][1] = new Option("福州",""); s2[0][2] = new Option("南平",""); s2[1][0] = new Option("龍巖",""); s2[1][1] = new Option("寧德",""); s2[1][2] = new Option("泉州",""); s2[2][0] = new Option("龍巖1",""); s2[2][1] = new Option("寧德2",""); s2[2][2] = new Option("泉州3",""); s2[3][0] = new Option("龍巖4",""); s2[3][1] = new Option("寧德5",""); s2[3][2] = new Option("泉州6",""); function redirec(x){ for(i=0;i<s2[x].length;i++) { rightSel.options[i] = new Option(s2[x][i].text,s2[x][i].value); } rightSel.options[0].selected = true; } </script> </body> </html>