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鼠标指向弹出菜单

2011-09-29 导航菜单 ℃

第一步：把如下代码加入到<head>区域中

<style>#D1 {
	BACKGROUND-COLOR: blue; 
	BORDER-BOTTOM: white 2px outset; 
	BORDER-LEFT: white 2px outset; 
	BORDER-RIGHT: white 2px outset; 
	BORDER-TOP: white 2px outset; 
	LEFT: 0px; POSITION: absolute; 
	TOP: 0px; VISIBILITY: hidden; 
	WIDTH: 300px; 
	layer-background-color: lightgreen
}
a{font-size:9pt}
a:link{text-decoration:none}
a:hover{text-decoration:none;color:#FFFFFF}
a:visited{text-decoration:none}
.40pt{font-size:40pt;color:#ub39a1;font-family:文鼎琥珀繁}
</style>
<script language="javascript">
function menuIn() //菜单隐藏
{
        if(n4) {
                clearTimeout(out_ID)
                if( menu.top > menuH*-1+20+10 ) {  
                        menu.top -= 8
                        in_ID = setTimeout("menuIn()", 1)
                }
                else if( menu.top > menuH*-1+20 ) {
                        menu.top--
                        in_ID = setTimeout("menuIn()", 1)
                }
        }
        else { 
                clearTimeout(out_ID)
                if( menu.pixelTop > menuH*-1+20+10 ) {
                        menu.pixelTop -= 8
                        in_ID = setTimeout("menuIn()", 1) 
                }
                else if( menu.pixelTop > menuH*-1+20 ) {
                        menu.pixelTop--
                        in_ID = setTimeout("menuIn()", 1)
                }
        }
}
function menuOut() //菜单显示
{
        if(n4) {
                clearTimeout(in_ID)
                if( menu.top < -10) { 
                        menu.top += 4
                        out_ID = setTimeout("menuOut()", 1)
                }
                else if( menu.top < 0) { 
                        menu.top++
                        out_ID = setTimeout("menuOut()", 1)
                }
                
        }
        else { 
                clearTimeout(in_ID)
                if( menu.pixelTop < -10) {
                        menu.pixelTop += 2
                        out_ID = setTimeout("menuOut()", 1)
                }
                else if( menu.pixelTop < 0 ) {
                        menu.pixelTop++
                        out_ID = setTimeout("menuOut()", 1)
                }
        }
}
function fireOver() { 
        clearTimeout(F_out)	       
        F_over = setTimeout("menuOut()", 10) 
}
function fireOut() { 
        clearTimeout(F_over)
         F_out = setTimeout("menuIn()", 10)
}
function init() {
        if(n4) {
                menu = document.D1
                menuH = menu.document.height
                menu.top = menu.document.height*-1+20 
                menu.onmouseover = menuOut
                menu.onmouseout = menuIn
		menu.visibility = "visible"
        }
        else if(e4) {
                menu = D1.style
                menuH = D1.offsetHeight
                D1.style.pixelTop = D1.offsetHeight*-1+20
                D1.onmouseover = fireOver
                D1.onmouseout = fireOut
                D1.style.visibility = "visible"
        }
}
F_over=F_out=in_ID=out_ID=null
n4 = (document.layers)?1:0
e4 = (document.all)?1:0;
</script>

第二步：把如下代码加入到<body>区域中
<body onload="init()">
<div id="D1">

<table border="0" width="100%">
<TBODY>
  <tr>
    <td align="middle" bgColor="ub39a1" rowSpan="2"><b style="COLOR: ub39a1">
    M<br>
    E<br>
    N<br>
    U</b></td>
    <td> <br><br><ul>
      <li><a href="link.htm">
          选     项 1</a> 
      </li>
      <li><a href="link.htm">
          选     项 2</a> 
      </li>
      <li><a href="link.htm">
          选     项 3</a> 
      </li>
      <li><a href="link.htm">
          选     项 4</a> 
      </li>
      <li><a href="link.htm">
          选     项 5</a> 
      </li>
    </ul>
    </td>
    <td><br><br><ul>
      <li><a href="link.htm">
          选     项 6</a> 
      </li>
      <li><a href="link.htm">
          选     项 7</a> 
      </li>
      <li><a href="link.htm">
          选     项 8</a> 
      </li>
      <li><a href="link.htm">
          选     项 9</a> 
      </li>
      <li><a href="javascript:void(0)">
          选     项 10</a>
      </li>
    </ul>
    </td>
  </tr>
  <tr>
    <td align="right" colSpan="2">
     </td>
  </tr>
</TBODY>
</table>
</div>

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