//***********默认设置定义.*********************  
tPopWait=50;//停留tWait毫秒后显示提示。  
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:  #F8F8F5;color:#000000;  border:  1px  #000000  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(".cPopText { background-color: #FBFF91;color:#000000; border: 1px #000000 solid;font-color: font-size: 12px; padding:2px; filter: Alpha(Opacity=0);position:absolute;z-index:9999;}");
document.write("</style>");  
document.write("<div  id='dypopLayer' style='position:absolute;z-index:9999;'  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;