延迟菜单实现

来源：互联网发布：怎么报考网络教育编辑：程序博客网时间：2024/04/28 11:47

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>延迟菜单</title>
<link rel="stylesheet" type="text/css" href="miaov_style.css">
<script>
window.onload = function(){

var aA = getByClass(document,'normal');
var aSpan = getByClass(document,'float_layer');
var timer = null;

for(var i=0;i<aA.length;i++){
aA[i].index = i;
aA[i].onmouseover = function(){

for(var i=0;i<aSpan.length;i++){
aSpan[i].style.display = 'none';
}

aSpan[this.index].style.display = 'block';

clearInterval(timer);
};

aA[i].onmouseout = function(){

var This = this;

timer = setTimeout(function(){

aSpan[This.index].style.display = 'none';

},1000);

};

aSpan[i].onmouseover = function(){

clearInterval(timer);

};

aSpan[i].onmouseout = function(){

var This = this;

timer = setTimeout(function(){

This.style.display = 'none';

},1000);

};
}

function getByClass(oParent,sClass){
var aEle = oParent.getElementsByTagName('*');
var result = [];
var re = new RegExp('\\b' + sClass + '\\b','i');

for(var i=0;i<aEle.length;i++){
if(re.test(aEle[i].className)){
result.push(aEle[i]);
}
}

return result;
}
};
</script>
</head>

<body>

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<div class="adorn1"></div>
<div class="adorn2"></div>
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</div>

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</html>

miaov_style.css

* { padding: 0; margin: 0; }
li { list-style: none; }

#nav { width: 500px; height: 36px; padding: 0 10px; background: url(images/nav_bg.gif) repeat-x; margin: 50px auto 0; position: relative; }
#nav .adorn1 { width: 6px; height: 36px; background: url(images/nav_bg.gif) no-repeat 0 -36px; position: absolute; top: 0; left: 0; }
#nav .adorn2 { width: 6px; height: 36px; background: url(images/nav_bg.gif) no-repeat 0 -72px; position: absolute; top: 0; right: 0; }
#nav li { float: left; height: 36px; padding: 0 3px 0 7px; position: relative; cursor: pointer; }

#nav .line { background: url(images/active_bg.gif) no-repeat 0 -90px; }

#nav .active { float: left; height: 36px; line-height: 36px; font-size: 14px; text-decoration: none; color: #fff; background: url(images/active_bg.gif) no-repeat right -40px; }
#nav .active span { float: left; height: 36px; line-height: 36px; font-size: 14px; padding: 0 20px; text-decoration: none; color: #fff; background: url(images/active_bg.gif) no-repeat 0 5px; }
#nav .normal { float: left; height: 36px; line-height: 36px; font-size: 14px; text-decoration: none; color: #fff; }
#nav .normal span { float: left; height: 36px; padding: 0 20px; }
#nav .normal:hover { background: url(images/active_bg.gif) no-repeat right -40px; }
#nav .normal:hover span { background: url(images/active_bg.gif) no-repeat 0 5px; }

#nav .float_layer { height: 27px; color: #235e99; padding: 0 10px; background: url(images/nav_bg.gif) repeat-x 0 -162px; position: absolute; top: 46px; display: none; }
#nav .arrows { width: 7px; height: 5px; overflow: hidden; background: url(images/active_bg.gif) no-repeat 0 -190px; position: absolute; top: -4px; }
#nav .decorate1 { width: 6px; height: 27px; background: url(images/nav_bg.gif) no-repeat 0 -108px; position: absolute; top: 0; left: -6px; }
#nav .decorate2 { width: 6px; height: 27px; background: url(images/nav_bg.gif) no-repeat 0 -135px; position: absolute; top: 0; right: -6px; }

#nav .float_layer a { float: left; height: 27px; line-height: 22px; font-size: 12px; color: #235e99; text-decoration: none; background: url(images/active_bg.gif) no-repeat right -207px; padding: 0 8px; }
#nav .float_layer a span { float: left; height: 18px; padding-top: 3px; overflow: hidden; border-bottom: 2px solid #cedce8; }
#nav .float_layer a:hover span { border-bottom: 2px solid #235e99; }

#nav p { position: absolute; top: 10px; right: 20px; }
#nav p a { color: #fff; font-size: 14px; text-decoration: none; }
#nav p a:hover { text-decoration: underline; }

.pos1 { left: 0; }
.pos1 .arrows { left: 36px; }
.w1 { width: 245px; }

.pos2 { left: 0; }
.pos2 .arrows { left: 50px; }
.w2 { width: 260px; }

.pos3 { left: -100px; }
.pos3 .arrows { left: 136px; }
.w3 { width: 230px; }

.pos4 { left: -100px; }
.pos4 .arrows { left: 136px; }
.w4 { width: 310px; }

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