//***********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("<head><style type='text/css'id='defaultPopStyle'>"); 
document.write(".cPopText {  background-color: #FFFDDD;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("</style></head>");
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 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;
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();
}
