左上角导航菜单-JS特效-爱易网页

左上角导航菜单

日期：2014-05-18　浏览次数：20406 次

欢迎光临爱易网网页脚本特效中心，点击运行按钮演示特效：

以下是程序代码

脚本说明:
第一步：把如下代码加入<body>区域中
<style>#D1 {
	BACKGROUND-COLOR: lightgreen; 
	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:#3399ff;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>
<div id="D1">

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