tPopWait=20;//停留tWait豪秒后显示提示。
tPopShow=12000;//显示tShow豪秒后关闭提示
showPopStep=1; // 显示的距离
popOpacity=85; // 默认的透明度
//***************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: #000068;color:#ffffff; border: 1px #18414E solid;font-color:; font-size: 10.5pt; padding-right: 4px; padding-left: 4px; height: 20px; padding-top: 2px; padding-bottom: 2px; filter: Alpha(Opacity=0)}");
document.write("</style>");
document.write("<div align ='right'  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(){
       
	   var scrollPos; 
if (typeof window.pageYOffset != 'undefined') { 
   scrollPos = window.pageYOffset; 
} 
else if (typeof document.compatMode != 'undefined' && 
     document.compatMode != 'BackCompat') { 
   scrollPos = document.documentElement.scrollTop; 
} 
else if (typeof document.body != 'undefined') { 
   scrollPos = document.body.scrollTop; 
} 

	   
	   
	   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+scrollPos;
       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;