js实现的点击超链显示隐藏层_javascript技巧

点击链接，显示提示框，提示框里也有链接可点击.
鼠标移开链接或者移开提示框，提示框就隐藏。

下面这个我写的不能自适应，如果菜单左对齐，显示层能否自动在右边显示？应该怎样调整JS？

<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>test</title> <style> body {background-color: #fff; font-size:14px; color:#666;} #link-url a {display:block; height:30px; line-height:30px;width:100px; color:#666; text-decoration:none;cursor:pointer;} #link-url a:hover {background:#ccc;} #d-k{position:relative; margin:0px 0px 0px 0px;z-index:0;} #Layer1,#Layer2,#Layer3,#Layer4,#Layer5{position:absolute; left: 70px; top: 0px;right:70px;} #show-k{margin:0px 0px 0px 0px;position:relative;background-color:#000; border:#ccc 1px solid; height:100px;z-index:3;filter:alpha(opacity=70);opacity:0.7; width:500px;} </style> <script language="javascript"> function change(x) {document.getElementById(x).style.display ="none";} function onClickbox(y){document.getElementById(y).style.display ="";} function onMouseOutbox(z){document.getElementById(z).style.display ="none";} function onMouseOverbox(a){document.getElementById(a).style.display ="";} </script> <div id="link-url"> <table width="400" cellspacing="5"> <tr> <td> <div id="d-k"> <a onclick="onClickbox('Layer1');" onmouseout="onMouseOutbox('Layer1')">我点击一</a> <div id="Layer1" style="display:none;" onmouseover="onMouseOverbox('Layer1')" onmouseout="onMouseOutbox('Layer1')"> <div id="show-k"> <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tr> <td>1sty人的和lesdf人的和人的和11</td> <td>人的和人的和人的和人的和人的和</td> <td>33人的和人的和人的和人的和3</td> <td>44人的和人的和人的和人的和人的和人的和人的和人的和4</td> </tr> </table> </div> </div> </div> </td> </tr> <tr> <td> <div id="d-k"> <a onclick="onClickbox('Layer2')" onmouseout="onMouseOutbox('Layer2')">我点击一</a> <div id="Layer2" style="display:none;" onmouseover="onMouseOverbox('Layer2')" onmouseout="onMouseOutbox('Layer2')"> <div id="show-k"> <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tr> <td><a href="#" onclick="change('Layer2')">111</a></td> <td><a href="#" onclick="change('Layer2')">222</a></td> <td><a href="#" onclick="change('Layer2')">333</a></td> <td><a href="#" onclick="change('Layer2')">444</a></td> </tr> </table> </div> </div> </div> </td> </tr> <tr> <td> <div id="d-k"> <a onclick="onClickbox('Layer3')" onmouseout="onMouseOutbox('Layer3')">我点击一</a> <div id="Layer3" style="display:none;" onmouseover="onMouseOverbox('Layer3')" onmouseout="onMouseOutbox('Layer3')"> <div id="show-k"> <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tr> <td><a href="#" onclick="change('Layer3')">111</a></td> <td><a href="#" onclick="change('Layer3')">222</a></td> <td><a href="#" onclick="change('Layer3')">333</a></td> <td><a href="#" onclick="change('Layer3')">444</a></td> </tr> </table> </div> </div> </div> </td> </tr> <tr> <td> <div id="d-k"> <a onclick="onClickbox('Layer4')" onmouseout="onMouseOutbox('Layer4')">我点击一</a> <div id="Layer4" style="display:none;" onmouseover="onMouseOverbox('Layer4')" onmouseout="onMouseOutbox('Layer4')"> <div id="show-k"> <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tr> <td><a href="#" onclick="change('Layer4')">111</a></td> <td><a href="#" onclick="change('Layer4')">222</a></td> <td><a href="#" onclick="change('Layer4')">333</a></td> <td><a href="#" onclick="change('Layer4')">444</a></td> </tr> </table> </div> </div> </div> </td> </tr> <tr> <td> <div id="d-k"> <a onclick="onClickbox('Layer5')" onmouseout="onMouseOutbox('Layer5')">我点击一</a> <div id="Layer5" style="display:none;" onmouseover="onMouseOverbox('Layer5')" onmouseout="onMouseOutbox('Layer5')"> <div id="show-k"> <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tr> <td><a href="#" onclick="change('Layer5')">111</a></td> <td><a href="#" onclick="change('Layer5')">222</a></td> <td><a href="#" onclick="change('Layer5')">333</a></td> <td><a href="#" onclick="change('Layer5')">444</a></td> </tr> </table> </div> </div> </div> </td> </tr> </table> </div>

[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]
左对齐效果

<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>test</title> <style> body {background-color: #fff; font-size:14px; color:#666;} #link-url a {display:block; height:30px; line-height:30px;width:100px; color:#666; text-decoration:none;cursor:pointer;} #link-url a:hover {background:#ccc;} #d-k{position:relative; margin:0px 0px 0px 0px;z-index:0;} #Layer1,#Layer2,#Layer3,#Layer4,#Layer5{position:absolute; left: 70px; top: 0px;right:70px;} #show-k{margin:0px 0px 0px 0px;position:relative;background-color:#000; border:#ccc 1px solid; height:100px;z-index:3;filter:alpha(opacity=70);opacity:0.7; width:500px;} </style> <script language="javascript"> function change(x) {document.getElementById(x).style.display ="none";} function onClickbox(y){document.getElementById(y).style.display ="";} function onMouseOutbox(z){document.getElementById(z).style.display ="none";} function onMouseOverbox(a){document.getElementById(a).style.display ="";} </script> <div id="link-url"> <table width="400" align="right" cellspacing="5"> <tr> <td> <div id="d-k"> <a onclick="onClickbox('Layer1');" onmouseout="onMouseOutbox('Layer1')">我点击一</a> <div id="Layer1" style="display:none;" onmouseover="onMouseOverbox('Layer1')" onmouseout="onMouseOutbox('Layer1')"> <div id="show-k"> <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tr> <td>1sty人的和lesdf人的和人的和11</td> <td>人的和人的和人的和人的和人的和</td> <td>33人的和人的和人的和人的和3</td> <td>44人的和人的和人的和人的和人的和人的和人的和人的和4</td> </tr> </table> </div> </div> </div> </td> </tr> <tr> <td> <div id="d-k"> <a onclick="onClickbox('Layer2')" onmouseout="onMouseOutbox('Layer2')">我点击一</a> <div id="Layer2" style="display:none;" onmouseover="onMouseOverbox('Layer2')" onmouseout="onMouseOutbox('Layer2')"> <div id="show-k"> <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tr> <td><a href="#" onclick="change('Layer2')">111</a></td> <td><a href="#" onclick="change('Layer2')">222</a></td> <td><a href="#" onclick="change('Layer2')">333</a></td> <td><a href="#" onclick="change('Layer2')">444</a></td> </tr> </table> </div> </div> </div> </td> </tr> <tr> <td> <div id="d-k"> <a onclick="onClickbox('Layer3')" onmouseout="onMouseOutbox('Layer3')">我点击一</a> <div id="Layer3" style="display:none;" onmouseover="onMouseOverbox('Layer3')" onmouseout="onMouseOutbox('Layer3')"> <div id="show-k"> <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tr> <td><a href="#" onclick="change('Layer3')">111</a></td> <td><a href="#" onclick="change('Layer3')">222</a></td> <td><a href="#" onclick="change('Layer3')">333</a></td> <td><a href="#" onclick="change('Layer3')">444</a></td> </tr> </table> </div> </div> </div> </td> </tr> <tr> <td> <div id="d-k"> <a onclick="onClickbox('Layer4')" onmouseout="onMouseOutbox('Layer4')">我点击一</a> <div id="Layer4" style="display:none;" onmouseover="onMouseOverbox('Layer4')" onmouseout="onMouseOutbox('Layer4')"> <div id="show-k"> <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tr> <td><a href="#" onclick="change('Layer4')">111</a></td> <td><a href="#" onclick="change('Layer4')">222</a></td> <td><a href="#" onclick="change('Layer4')">333</a></td> <td><a href="#" onclick="change('Layer4')">444</a></td> </tr> </table> </div> </div> </div> </td> </tr> <tr> <td> <div id="d-k"> <a onclick="onClickbox('Layer5')" onmouseout="onMouseOutbox('Layer5')">我点击一</a> <div id="Layer5" style="display:none;" onmouseover="onMouseOverbox('Layer5')" onmouseout="onMouseOutbox('Layer5')"> <div id="show-k"> <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tr> <td><a href="#" onclick="change('Layer5')">111</a></td> <td><a href="#" onclick="change('Layer5')">222</a></td> <td><a href="#" onclick="change('Layer5')">333</a></td> <td><a href="#" onclick="change('Layer5')">444</a></td> </tr> </table> </div> </div> </div> </td> </tr> </table> </div>

[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]