leo

引用:

<a href="大图地址" target="_blank">
              <img height="20" src="/images/pre.gif" border="0" alt="点击放大：<br><img src=大图地址 border=1 width=180 height=120>"></a>

再"<script src="/js/Title.JS" type="text/javascript" language="JavaScript"></script>”调用下面这个JS文件

代码如下:

复制内容到剪贴板

代码:

//***********默认设置定义.*********************
tPopWait=50;//停留tWait毫秒后显示提示。
tPopShow=3000;//显示tShow毫秒后关闭提示
showPopStep=20;
popOpacity=99;
//***************内部变量定义*****************
sPop=null;
curShow=null;
tFadeOut=null;
tFadeIn=null;
tFadeWaiting=null;
document.write("<style type='text/css'id='defaultPopStyle'>");
document.write(".cPopText {  background-color: #ffffff; border: 1px #000000 solid; font-size: 12px; padding-right: 4px; padding-left: 4px; height: 20px; padding-top: 2px; padding-bottom: 2px; filter: Alpha(Opacity=0)}");
document.write("</style>");
document.write("<div id='zzzpopLayer' style='position:absolute;z-index:1000;' class='cPopText'></div>");

function showPopupText(){
var o=event.srcElement;
MouseX=event.x;
MouseY=event.y;
if(o.alt!=null && o.alt!=""){o.zzzpop=o.alt;o.alt=""};
        if(o.title!=null && o.title!=""){o.zzzpop=o.title;o.title=""};
if(o.zzzpop!=sPop) {
   sPop=o.zzzpop;
   clearTimeout(curShow);
   clearTimeout(tFadeOut);
   clearTimeout(tFadeIn);
   clearTimeout(tFadeWaiting);
   if(sPop==null || sPop=="") {
    zzzpopLayer.innerHTML="";
    zzzpopLayer.style.filter="Alpha()";
    zzzpopLayer.filters.Alpha.opacity=0;
    }
   else {
    if(o.dyclass!=null) popStyle=o.dyclass
     else popStyle="cPopText";
    curShow=setTimeout("showIt()",tPopWait);
   }
   
}
}
function showIt(){
  zzzpopLayer.className=popStyle;
  zzzpopLayer.innerHTML=sPop;
  popWidth=zzzpopLayer.clientWidth;
  popHeight=zzzpopLayer.clientHeight;
  if(MouseX+12+popWidth>document.body.clientWidth) popLeftAdjust=-popWidth-24
   else popLeftAdjust=0;
  if(MouseY+12+popHeight>document.body.clientHeight) popTopAdjust=-popHeight-24
   else popTopAdjust=0;
  zzzpopLayer.style.left=MouseX+12+document.body.scrollLeft+popLeftAdjust;
  zzzpopLayer.style.top=MouseY+12+document.body.scrollTop+popTopAdjust;
  zzzpopLayer.style.filter="Alpha(Opacity=0)";
  fadeOut();
}
function fadeOut(){
if(zzzpopLayer.filters.Alpha.opacity<popOpacity) {
  zzzpopLayer.filters.Alpha.opacity+=showPopStep;
  tFadeOut=setTimeout("fadeOut()",1);
  }
  else {
   zzzpopLayer.filters.Alpha.opacity=popOpacity;
   tFadeWaiting=setTimeout("fadeIn()",tPopShow);
   }
}
function fadeIn(){
if(zzzpopLayer.filters.Alpha.opacity>0) {
  zzzpopLayer.filters.Alpha.opacity-=1;
  tFadeIn=setTimeout("fadeIn()",1);
  }
}
document.onmouseover=showPopupText;