复制代码 代码如下:
 
function getViewportHeight() { 
if (window.innerHeight!=window.undefined) return window.innerHeight; 
if (document.compatMode=='CSS1Compat') return document.documentElement.clientHeight; 
if (document.body) return document.body.clientHeight; 
return window.undefined; 
} 
function getViewportWidth() { 
if (window.innerWidth!=window.undefined) return window.innerWidth; 
if (document.compatMode=='CSS1Compat') return document.documentElement.clientWidth; 
if (document.body) return document.body.clientWidth; 
return window.undefined; 
} 
/** 
* Gets the real scroll top 
*/ 
function getScrollTop() { 
if (self.pageYOffset) // all except Explorer 
{ 
return self.pageYOffset; 
} 
else if (document.documentElement && document.documentElement.scrollTop) 
// Explorer 6 Strict 
{ 
return document.documentElement.scrollTop; 
} 
else if (document.body) // all other Explorers 
{ 
return document.body.scrollTop; 
} 
} 
function getScrollLeft() { 
if (self.pageXOffset) // all except Explorer 
{ 
return self.pageXOffset; 
} 
else if (document.documentElement && document.documentElement.scrollLeft) 
// Explorer 6 Strict 
{ 
return document.documentElement.scrollLeft; 
} 
else if (document.body) // all other Explorers 
{ 
return document.body.scrollLeft; 
} 
} 
/* 
[html] 
渐变的弹出图片 
使用方法: 
将ToolTip.js包含在网页body的结束标签后 
调用方法: 
[code] 
<a href="https://www.jb51.net/pages.jpg" target='_blank'><img src='https://www.jb51.net/pages_small.jpg' border=0 width=30 height=20 title="点击看大图"></a> 
必须CSS样式
复制代码 代码如下:
 
.trans_msg 
{ 
filter:alpha(opacity=100,enabled=1) revealTrans(duration=.2,transition=1) blendtrans(duration=.2); 
} 
*/ 
//--初始化变量-- 
var rT=true;//允许图像过渡 
var bT=true;//允许图像淡入淡出 
var tw=150;//提示框宽度 
var endaction=false;//结束动画 
var ns4 = document.layers; 
var ns6 = document.getElementById && !document.all; 
var ie4 = document.all; 
offsetX = 10; 
offsetY = 20; 
var toolTipSTYLE=""; 
function initToolTips() 
{ 
tempDiv = document.createElement("div"); 
tempDiv.id = "toolTipLayer"; 
tempDiv.style.position = "absolute"; 
tempDiv.style.display = "none"; 
document.body.appendChild(tempDiv); 
if(ns4||ns6||ie4) 
{ 
if(ns4) toolTipSTYLE = document.toolTipLayer; 
else if(ns6) toolTipSTYLE = document.getElementById("toolTipLayer").style; 
else if(ie4) toolTipSTYLE = document.all.toolTipLayer.style; 
if(ns4) document.captureEvents(Event.MOUSEMOVE); 
else 
{ 
toolTipSTYLE.visibility = "visible"; 
toolTipSTYLE.display = "none"; 
} 
document.onmousemove = moveToMouseLoc; 
} 
} 
function toolTip(msg, fg, bg) 
{ 
try { 
if(toolTip.arguments.length < 1) // hide 
{ 
if(ns4) 
{ 
toolTipSTYLE.visibility = "hidden"; 
} 
else 
{ 
//--图象过渡,淡出处理-- 
if (!endaction) {toolTipSTYLE.display = "none";} 
if (rT) document.all("msg1").filters[1].Apply(); 
if (bT) document.all("msg1").filters[2].Apply(); 
document.all("msg1").filters[0].opacity=0; 
if (rT) document.all("msg1").filters[1].Play(); 
if (bT) document.all("msg1").filters[2].Play(); 
if (rT){ 
if (document.all("msg1").filters[1].status==1 || document.all("msg1").filters[1].status==0){ 
toolTipSTYLE.display = "none";} 
} 
if (bT){ 
if (document.all("msg1").filters[2].status==1 || document.all("msg1").filters[2].status==0){ 
toolTipSTYLE.display = "none";} 
} 
if (!rT && !bT) toolTipSTYLE.display = "none"; 
//---------------------- 
} 
} 
else // show 
{ 
if(!fg) fg = "#777777"; 
if(!bg) bg = "#eeeeee"; 
var content = 
'<table cellspacing="0" cellpadding="1" bgcolor="' + fg + '"><td>' + 
'<table cellspacing="2" cellpadding="3" bgcolor="' + bg + 
'"><td><font face="Arial" color="' + fg + 
'" size="-2">' + msg + 
'</font></td></table></td></table>'; 
if(ns4) 
{ 
toolTipSTYLE.document.write(content); 
toolTipSTYLE.document.close(); 
toolTipSTYLE.visibility = "visible"; 
} 
if(ns6) 
{ 
document.getElementById("toolTipLayer").innerHTML = content; 
toolTipSTYLE.display='block' 
} 
if(ie4) 
{ 
document.all("toolTipLayer").innerHTML=content; 
toolTipSTYLE.display='block' 
//--图象过渡,淡入处理-- 
var cssopaction=document.all("msg1").filters[0].opacity 
document.all("msg1").filters[0].opacity=0; 
if (rT) document.all("msg1").filters[1].Apply(); 
if (bT) document.all("msg1").filters[2].Apply(); 
document.all("msg1").filters[0].opacity=cssopaction; 
if (rT) document.all("msg1").filters[1].Play(); 
if (bT) document.all("msg1").filters[2].Play(); 
//---------------------- 
} 
} 
} catch(e) {} 
} 
function moveToMouseLoc(e) 
{ 
var scrollTop = getScrollTop(); 
var scrollLeft = getScrollLeft(); 
if(ns4||ns6) 
{ 
x = e.pageX + scrollLeft; 
y = e.pageY - scrollTop; 
} 
else 
{ 
x = event.clientX + scrollLeft; 
y = event.clientY; 
} 
if (x-scrollLeft > getViewportWidth() / 2) { 
x = x - document.getElementById("toolTipLayer").offsetWidth - 2 * offsetX; 
} 
if ((y+document.getElementById("toolTipLayer").offsetHeight+offsetY)>getViewportHeight()) { 
y = getViewportHeight()-document.getElementById("toolTipLayer").offsetHeight-offsetY; 
} 
toolTipSTYLE.left = (x + offsetX)+'px'; 
toolTipSTYLE.top = (y + offsetY + scrollTop)+'px'; 
return true; 
} 
initToolTips(); 
主页面:
引入index.css
复制代码 代码如下:
