用js制作的鼠标移动自动弹出信息提示框
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<HTML>
<head>
<title>tip</title>
<meta http-equiv="Content-Type" content="text/HTML; charset=utf-8">
<script language="javascript">
	if(!document.attachEvent)
	{
	    document.attachEvent = function(){document.addEventListener(arguments[0].substr(2),arguments[1],arguments[2])}
	}
	document.attachEvent("onmouseover",function(e)
	{
	    var tip = "";	
	    if(typeof(event)=="undefined"){
	        tip = e.target.getAttribute("tips")
	    }else{
	        e = event;
	        tip = e.srcElement.tips;
	    }		    
	    if(typeof(tip)!="undefined"&&tip.length>0)
	    {
	        var _tips = document.getElementById("myTip");	        
	        if(typeof(_tips)=="undefined"||_tips == null)
	        {
	            _tips = document.createElement("div");
	            _tips.id = "myTip";
	            _tips.style.position = "absolute";
	            _tips.style.width = "150px";
	            _tips.style.borderWidth = "1px";
	            _tips.style.borderStyle = "solid";
	            _tips.style.borderColor = "gray";
	            _tips.style.fontSize = "9pt";
	            _tips.style.backgroundColor = "#ffffff";
	            _tips.style.color = "#349045";		            
	            _tips.style.filter = "progid:DXImageTransform.Microsoft.Shadow(color=#999999,direction=135,strength=3)";
	            _tips.style.padding = "5px 8px 3px 8px";
	            document.body.appendChild(_tips);            
	            _tips.style.display = "none";
	        }	
	            _tips.style.display = "";	            
	            _tips.innerHTML = tip;
	            _tips.style.left = document.body.scrollLeft+e.clientX+10; 
	            _tips.style.top = document.body.scrollTop+e.clientY+10; 
	    }
		}
	);	
	document.attachEvent('onmouseout',function(e)
	{   
	    var _tips = document.getElementById("myTip");
	    if(_tips!=null)
	    {