//***********默认设置定义.*********************   
  tPopWait=50;//停留tWait豪秒后显示提示。   
  tPopShow=5000;//显示tShow豪秒后关闭提示   
  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:#FEFEDB;color:#000000;border:1px #f26521 solid;font-color: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='dypopLayer' 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.dypop=o.alt;o.alt=""};   
                  if(o.title!=null   &&   o.title!=""){o.dypop=o.title;o.title=""};   
    if(o.dypop!=sPop)   {   
        sPop=o.dypop;   
        clearTimeout(curShow);   
        clearTimeout(tFadeOut);   
        clearTimeout(tFadeIn);   
        clearTimeout(tFadeWaiting);     
        if(sPop==null   ||   sPop=="")   {   
          dypopLayer.innerHTML="";   
          dypopLayer.style.filter="Alpha()";   
          dypopLayer.filters.Alpha.opacity=0;     
          }   
        else   {   
          if(o.dyclass!=null)   popStyle=o.dyclass     
            else   popStyle="cPopText";   
          curShow=setTimeout("showIt()",tPopWait);   
        }   
          
    }   
  }   
  function   showIt(){   
      dypopLayer.className=popStyle;   
      dypopLayer.innerHTML=sPop;   
      popWidth=dypopLayer.clientWidth;   
      popHeight=dypopLayer.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;   
      dypopLayer.style.left=MouseX+12+document.body.scrollLeft+popLeftAdjust;   
      dypopLayer.style.top=MouseY+12+document.body.scrollTop+popTopAdjust;   
      dypopLayer.style.filter="Alpha(Opacity=0)";   
      fadeOut();   
  }   
    
  function   fadeOut(){   
    if(dypopLayer.filters.Alpha.opacity<popOpacity)   {   
      dypopLayer.filters.Alpha.opacity+=showPopStep;   
      tFadeOut=setTimeout("fadeOut()",1);   
      }   
      else   {   
        dypopLayer.filters.Alpha.opacity=popOpacity;   
        tFadeWaiting=setTimeout("fadeIn()",tPopShow);   
        }   
  }   
    
  function   fadeIn(){   
    if(dypopLayer.filters.Alpha.opacity>0)   {   
      dypopLayer.filters.Alpha.opacity-=1;   
      tFadeIn=setTimeout("fadeIn()",1);   
      }   
  }   
  document.onmouseover=showPopupText;