mouse_on_title.js_典型特效

var pltsPop=null; 
var pltsoffsetX = 5;   // 弹出窗口位于鼠标左侧或者右侧的距离；3-12 合适 
var pltsoffsetY = 5;  // 弹出窗口位于鼠标下方的距离；3-12 合适 
var pltsPopbg="#FFffff"; //背景色 
var pltsPopfg="#880000"; //前景色 
var pltsTitle=""; 
document.write(&#39;<p id=pltsTipLayer style="display: none;position: absolute; z-index:10001"></p>&#39;); 
function pltsinits() 
{ 
    document.onmouseover   = plts; 
    document.onmousemove = moveToMouseLoc; 
} 
function plts() 
{  var o=event.srcElement; 
    if(o.alt!=null && o.alt!=""){o.dypop=o.alt;o.alt=""}; 
    if(o.title!=null && o.title!=""){o.dypop=o.title;o.title=""}; 
    pltsPop=o.dypop; 
    if(pltsPop!=null&&pltsPop!=""&&typeof(pltsPop)!="undefined") 
    { 
pltsTipLayer.style.left=-20; 
pltsTipLayer.style.display=&#39;&#39;; 
var Msg=pltsPop.replace(/\n/g,"<br>"); 
Msg=Msg.replace(/\0x13/g,"<br>"); 
var re=/\{(.[^\{]*)\}/ig; 
if(!re.test(Msg))pltsTitle=""; 
else{ 
   re=/\{(.[^\{]*)\}(.*)/ig; 
     pltsTitle=Msg.replace(re,"$1")+" "; 
   re=/\{(.[^\{]*)\}/ig; 
   Msg=Msg.replace(re,""); 
   Msg=Msg.replace("<br>","");} 
   var attr=(document.location.toString().toLowerCase().indexOf("")>0?"nowrap":""); 
        var content = 
       &#39;<table style="FILTER:alpha(opacity=90) shadow(color=#6f6f6f,direction=135);" id=toolTipTalbe ><tr><td width="100%"><table class=tdr cellspacing="0" cellpadding="0" border=0 style="width:100%">&#39;+ 
       &#39;<tr id=pltsPoptop ><th height=25 valign=bottom  class=tdr><p id=topleft align=left>&#39;+pltsTitle+&#39;</p><p id=topright align=right style="display:none">&#39;+pltsTitle+&#39;</th></tr>&#39;+ 
       &#39;<tr><td "+attr+" class=bg_tdr style="padding-left:14px;padding-right:14px;padding-top: 6px;padding-bottom:6px;line-height:135%">&#39;+Msg+&#39;</td></tr>&#39;+ 
       &#39;<tr id=pltsPopbot style="display:none"><th height=25 valign=bottom class=tdr><p id=botleft align=left>&#39;+pltsTitle+&#39;</p><p id=botright align=right style="display:none">&#39;+pltsTitle+&#39;</th></tr>&#39;+ 
       &#39;</table></td></tr></table>&#39;; 
        pltsTipLayer.innerHTML=content; 
        toolTipTalbe.style.width=Math.min(pltsTipLayer.clientWidth,document.body.clientWidth/2.2); 
        moveToMouseLoc(); 
        return true; 
       } 
    else 
    { 
     pltsTipLayer.innerHTML=&#39;&#39;; 
       pltsTipLayer.style.display=&#39;none&#39;; 
        return true; 
    } 
} 
function moveToMouseLoc() 
{ 
if(pltsTipLayer.innerHTML==&#39;&#39;)return true; 
var MouseX=event.x; 
var MouseY=event.y; 
//window.status=event.y; 
var popHeight=pltsTipLayer.clientHeight; 
var popWidth=pltsTipLayer.clientWidth; 
if(MouseY+pltsoffsetY+popHeight>document.body.clientHeight) 
{ 
    popTopAdjust=-popHeight-pltsoffsetY*1.5; 
    pltsPoptop.style.display="none"; 
    pltsPopbot.style.display=""; 
} 
  else 
{ 
     popTopAdjust=0; 
    pltsPoptop.style.display=""; 
    pltsPopbot.style.display="none"; 
} 
if(MouseX+pltsoffsetX+popWidth>document.body.clientWidth) 
{ 
  popLeftAdjust=-popWidth-pltsoffsetX*2; 
  topleft.style.display="none"; 
  botleft.style.display="none"; 
  topright.style.display=""; 
  botright.style.display=""; 
} 
else 
{ 
  popLeftAdjust=0; 
  topleft.style.display=""; 
  botleft.style.display=""; 
  topright.style.display="none"; 
  botright.style.display="none"; 
} 
pltsTipLayer.style.left=MouseX+pltsoffsetX+document.body.scrollLeft+popLeftAdjust; 
pltsTipLayer.style.top=MouseY+pltsoffsetY+document.body.scrollTop+popTopAdjust; 
   return true; 
} 
pltsinits();