纯js网页左下角漂浮导航菜单代码

阅读：3939 输入：2016-08-01

<script>
if(!document.layers)
document.write('<div id="divStayTopLeft" style="position:absolute">')
</script>
<layer id="divStayTopLeft">

<table border="1" width="130" cellspacing="0" cellpadding="0">
  <tr>
    <td width="100%" bgcolor="#FFFFCC">
      <p align="center"><b><font size="4">左侧定位菜单</font></b></td>
  </tr>
  <tr>
    <td width="100%" bgcolor="#FFFFFF">
      <p align="left"> <a href="http://www.youkud.com">菜单一</a><br />
       <a href="http://www.youkud.com">youkud.com</a><br />
       <a href="http://www.youkud.com">菜单二</a><br />
       <a href="http://www.youkud.com">菜单三</a><br />
       <a href="http://www.youkud.com">菜单四</a></td>
  </tr>
</table>

<br />youkdu.com<br />www.youkdu.com<br />www.youkud.com<br /><br /><br /><br /><br /><br /><br /><br /><br />
</layer>
<script type="text/javascript">
//Enter "frombottom" or "fromtop"
var verticalpos="frombottom"
if (!document.layers)
document.write('</div>')
function JSFX_FloatTopDiv()
{
	var startX = 3,
	startY = 150;
	var ns = (navigator.appName.indexOf("Netscape") != -1);
	var d = document;
	function ml(id)	{
		var el=d.getElementById?d.getElementById(id):d.all?d.all[id]:d.layers[id];
		if(d.layers)el.style=el;
		el.sP=function(x,y){this.style.left=x;this.style.top=y;};
		el.x = startX;
		if (verticalpos=="fromtop")
		el.y = startY;
		else{
		el.y = ns ? pageYOffset + innerHeight : document.body.scrollTop + document.body.clientHeight;
		el.y -= startY;
		}
		return el;
	}
	window.stayTopLeft=function()	{
		if (verticalpos=="fromtop"){
		var pY = ns ? pageYOffset : document.body.scrollTop;
		ftlObj.y += (pY + startY - ftlObj.y)/8;
		}
		else{
		var pY = ns ? pageYOffset + innerHeight : document.body.scrollTop + document.body.clientHeight;
		ftlObj.y += (pY - startY - ftlObj.y)/8;
		}
		ftlObj.sP(ftlObj.x, ftlObj.y);
		setTimeout("stayTopLeft()", 10);
	}
	ftlObj = ml("divStayTopLeft");
	stayTopLeft();
}
JSFX_FloatTopDiv();
</script>

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