如何丰富alt属性的显示效果

IE默认会给带alt属性图片和带title的链接一个浮动显示

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很多朋友觉得不好看或者功能不丰富想改改，搜集了几种办法大家研究下

oPopup.document.body.innerHTML = "<DIV STYLE=\"background:#ffffcc; border:1px solid black; padding:4px;font-family:verdana; font-size:70%;color=#111; width:300px;filter:progid:DXImageTransform.Microsoft.Gradient(GradientType=0,StartColorStr='#0099FF', EndColorStr='#00FFFF'\">"+event.srcElement.title+"</div>";

var popupBody = oPopup.document.body; 
oPopup.show(0, 0, 300, 50); 
var realHeight = popupBody.scrollHeight; 
oPopup.hide(); 
oPopup.show(0, 15 , 300, realHeight, event.srcElement); 
} 
</SCRIPT> 
<IMG src="http://img.gxlcms.com/http://img.gxlcms.com//Uploads-s//Uploads-s/new/2019-09-25-201925/logo.gif" border=0 class="popImg"  title="联系人：fsdfsafasf
ID：asdfasdf
E-Mail：tierhuang@126.com
联系电话：asdfadsf
联系地址：asdfasdf
邮政编码：asdfasdf
" onmouseover="fnDef();" >

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<span style="color:#FF6600">四川辣椒的艺术 （转）</span> 
<div id="toolTipLayer" style="position:absolute; visibility: hidden"></div> 
<script language="JavaScript"></ script>

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<html> 
<head> 
  <script language="javascript"> 
var tipTimer; 
function locateObject(n, d) { //v3.0 
var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) { 
d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);} 
if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n]; 
for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=locateObject(n,d.layers[i].document); return x; 
}

function showTooltip(object,e, tipContent, backcolor, bordercolor, textcolor, displaytime) 
{ 
window.clearTimeout(tipTimer)

if (document.all) 
{ 
locateObject(object).style.top=document.body.scrollTop+event.clientY+20

locateObject(object).innerHTML='<table style="font-family: Verdana,Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; border: '+bordercolor+'; border-style: solid; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; background-color: '+backcolor+'" width="10" border="0" cellspacing="1" cellpadding="1"><tr><td nowrap><font style="font-family: Verdana,Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; color: '+textcolor+'">'+unescape(tipContent)+'</font></td></tr></table> '

if ((e.x + locateObject(object).clientWidth) > (document.body.clientWidth + document.body.scrollLeft)) 
{  
locateObject(object).style.left = (document.body.clientWidth + document.body.scrollLeft) - locateObject(object).clientWidth-10; 
} 
else 
{ 
locateObject(object).style.left=document.body.scrollLeft+event.clientX 
} 
locateObject(object).style.visibility="visible" 
tipTimer=window.setTimeout("hideTooltip('"+object+"')", displaytime); 
return true; 
} 
else if (document.layers) 
{ 
locateObject(object).document.write('<table width="10" border="0" cellspacing="1" cellpadding="1"><tr bgcolor="'+bordercolor+'"><td><table width="10" border="0" cellspacing="0" cellpadding="2"><tr bgcolor="'+backcolor+'"><td nowrap><font style="font-family: Verdana,Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; color: '+textcolor+'">'+unescape(tipContent)+'</font></td></tr></table></td></tr></table>') 
locateObject(object).document.close() 
locateObject(object).top=e.y+20

if ((e.x + locateObject(object).clip.width) > (window.pageXOffset + window.innerWidth)) 
{ 
locateObject(object).left = window.innerWidth - locateObject(object).clip.width-10; 
} 
else 
{ 
locateObject(object).left=e.x; 
} 
locateObject(object).visibility="show" 
tipTimer=window.setTimeout("hideTooltip('"+object+"')", displaytime); 
return true; 
} 
else 
{ 
return true; 
} 
} 
</ script> 
  </head> 
  <body> 
<div id="dHTMLToolTip" style="position: absolute; visibility: hidden; width:10; height: 10; z-index: 1000; left: 0; top: 0"></div> 
<span onMouseOver="showTooltip('dHTMLToolTip',event, '文字提示信息部分
带图片的<img src=http://img.gxlcms.com/http://img.gxlcms.com//Uploads-s//Uploads-s/new/2019-09-25-201925/logo.gif>', '#fffff2','#000000','#000000','20000')" onMouseOut="hideTooltip('dHTMLToolTip')">点这里</span> 
</body> 
<html>

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//SCROLL 
function Scroll(layerName){ 
if (NS4 || IE4) { 
 if (NS4 || IE4) {  
 if(i<(begin_pos+scroll_length)){ 
 eval(layerRef+'["'+layerName+'"]'+ 
 styleSwitch+'.visibility="visible"'); 
 eval(layerRef+'["'+layerName+'"]'+ 
 styleSwitch+'.left="'+i+'"'); 
 i++; 
 j++; 
 if(i==j){ 
 setTimeout("Scroll('"+layerName+"')",time_length);} 
 } 
 } 
 } 
}

//STOP SCROLLING 
function StopScroll(layerName) 
{ 
i=begin_pos+scroll_length; 
  eval(layerRef+'["'+layerName+'"]'+ 
  styleSwitch+'.left="'+i+'"'); 
  hideLayer(layerName); 
}

function reset() 
{  
i=begin_pos; 
j=i; 
}

// HIDE HINT 
function hideLayer(layerName){ 
 if (NS4 || IE4) { 
 eval(layerRef+'["'+layerName+'"]'+ 
 styleSwitch+'.visibility="hidden"'); 
 } 
 }

</ script>

<span class="header">Link Hint Scroller 1.0</span>

Move your mouse over 
</center> 
<div id="prem_hint" style="position:relative; visibility:hidden" class="prem_hint"> 
This is the hint or description for the above link! 
</div>

</DIV>

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如何丰富alt属性的显示效果_javascript技巧