跑别人网站看到右下角弹出留言本,随滚动条滚动,感觉还不错,自己也写一个,认真分析了一下,写了个出来,但是这里还是有可以改进的地方,时间关系,以后再改,先贴出来。。。。。
<html>
<head><title></title>
<style type="text/css">
<!--
*{margin:0;padding:0;}
body{text-align:center;}
#main{border:red 1px solid;width:1000px;height:1600px;margin:0 auto;}
#main #scroll{width:400px;height:150px;border:green 1px solid;text-align:left;position:absolute;visibility:hidden;}
#main #scroll #open{float:left;text-align:center;width:360px}
#main #scroll #close{float:right;}
// -->
</style>
</head>
<body ><div id="main">
<div id="scroll"><div id="open" onmouseover="openbox();"> <a href="#" onclick="openbox()">请给我们留言</a> </div>
<div id="close"><a href="#" onclick="closebox()" >关闭</a><script type="text/javascript">
<!--
var scroll=document.getElementById("scroll")
var main=document.getElementById("main")
var open=document.getElementById("open")
var close=document.getElementById("close")
/*scroll层开始设为隐藏,不然开始的时候会不出现在底部,这里通过跟js代码同步条镇,使scroll层开始就出现在右底*/
scroll.style.visibility="visible"
function runright()
{
/*这里-4主要是为了显示的比较好,因为我设置了边框*/
scroll.style.top=document.body.scrollTop+document.body.clientHeight-scroll.clientHeight-4+"px"
scroll.style.left=document.body.scrollLeft+document.body.clientWidth-scroll.clientWidth-4+"px"
/*隔一段时间执行这个函数*/
setTimeout("runright()",30)
}
/*关闭:设置高度一直减*/
function closebox()
{
scroll.style.height=scroll.offsetHeight-4+"px"
if (scroll.offsetHeight>20)
{
setTimeout("closebox()",5)
}
else
{
close.style.visibility="hidden"
}
}
function openbox()
{
if (scroll.offsetHeight<148)
{
close.style.visibility="visible"
scroll.style.height=scroll.offsetHeight+2+"px"
setTimeout("openbox()",5)
}
}
runright();
// -->
</script>
</div>
</div>
</div>
</body>
</html>
<html>
<head><title></title>
<style type="text/css">
<!--
*{margin:0;padding:0;}
body{text-align:center;}
#main{border:red 1px solid;width:1000px;height:1600px;margin:0 auto;}
#main #scroll{width:400px;height:150px;border:green 1px solid;text-align:left;position:absolute;visibility:hidden;}
#main #scroll #open{float:left;text-align:center;width:360px}
#main #scroll #close{float:right;}
// -->
</style>
</head>
<body ><div id="main">
<div id="scroll"><div id="open" onmouseover="openbox();"> <a href="#" onclick="openbox()">请给我们留言</a> </div>
<div id="close"><a href="#" onclick="closebox()" >关闭</a><script type="text/javascript">
<!--
var scroll=document.getElementById("scroll")
var main=document.getElementById("main")
var open=document.getElementById("open")
var close=document.getElementById("close")
/*scroll层开始设为隐藏,不然开始的时候会不出现在底部,这里通过跟js代码同步条镇,使scroll层开始就出现在右底*/
scroll.style.visibility="visible"
function runright()
{
/*这里-4主要是为了显示的比较好,因为我设置了边框*/
scroll.style.top=document.body.scrollTop+document.body.clientHeight-scroll.clientHeight-4+"px"
scroll.style.left=document.body.scrollLeft+document.body.clientWidth-scroll.clientWidth-4+"px"
/*隔一段时间执行这个函数*/
setTimeout("runright()",30)
}
/*关闭:设置高度一直减*/
function closebox()
{
scroll.style.height=scroll.offsetHeight-4+"px"
if (scroll.offsetHeight>20)
{
setTimeout("closebox()",5)
}
else
{
close.style.visibility="hidden"
}
}
function openbox()
{
if (scroll.offsetHeight<148)
{
close.style.visibility="visible"
scroll.style.height=scroll.offsetHeight+2+"px"
setTimeout("openbox()",5)
}
}
runright();
// -->
</script>
</div>
</div>
</div>
</body>
</html>
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