JavaScript实现类似Title Alt功能并且可以显示图片。

 1<html>
 2<head>
 3<script language="javascript">   
 4var tipTimer;   
 5function locateObject(n, d) { //v3.0   
 6var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {   
 7d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}   
 8if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];   
 9for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=locateObject(n,d.layers[i].document); return x;   
10} 
11
12function hideTooltip(object)   
13{   
14if (document.all)   
15{   
16locateObject(object).style.visibility="hidden"   
17locateObject(object).style.left = 1;   
18locateObject(object).style.top = 1;   
19return false   
20}   
21else if (document.layers)   
22{   
23locateObject(object).visibility="hide"   
24locateObject(object).left = 1;   
25locateObject(object).top = 1;   
26return false   
27}   
28else   
29return true   
30} 
31
32function showTooltip(object,e, tipContent, backcolor, bordercolor, textcolor, displaytime)   
33{   
34window.clearTimeout(tipTimer) 
35
36if (document.all)   
37{   
38locateObject(object).style.top=document.body.scrollTop+event.clientY+20 
39
40locateObject(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> ' 
41
42if ((e.x + locateObject(object).clientWidth) > (document.body.clientWidth + document.body.scrollLeft))   
43{   
44locateObject(object).style.left = (document.body.clientWidth + document.body.scrollLeft) - locateObject(object).clientWidth-10;   
45}   
46else   
47{   
48locateObject(object).style.left=document.body.scrollLeft+event.clientX   
49}   
50locateObject(object).style.visibility="visible"   
51tipTimer=window.setTimeout("hideTooltip('"+object+"')", displaytime);   
52return true;   
53}   
54else if (document.layers)   
55{   
56locateObject(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>')   
57locateObject(object).document.close()   
58locateObject(object).top=e.y+20 
59
60if ((e.x + locateObject(object).clip.width) > (window.pageXOffset + window.innerWidth))   
61{   
62locateObject(object).left = window.innerWidth - locateObject(object).clip.width-10;   
63}   
64else   
65{   
66locateObject(object).left=e.x;   
67}   
68locateObject(object).visibility="show"   
69tipTimer=window.setTimeout("hideTooltip('"+object+"')", displaytime);   
70return true;   
71}   
72else   
73{   
74return true;   
75}   
76}   
77</script>
78</head>
79<body>
80<div id="dHTMLToolTip" style="position: absolute; visibility: hidden; width:10; height: 10; z-index: 1000; left: 0; top: 0"></div>
81<span onmouseout="hideTooltip('dHTMLToolTip')" onmouseover="showTooltip('dHTMLToolTip',event, '文字提示信息部分&lt;br&gt;大家号啊。。&lt;img src = 1.jpg height=120&gt;', '#fffff2','#000000','#000000','20000')">dfsafsdafsdafasf</span>
82</body>
83<html></html></html>
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