// 定义鼠标经过提示
//***********默认设置定义.*********************
tPopWait=50;//停留tWait豪秒后显示提示。
tPopShow=4000;//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("#dypopLayer {position:absolute; z-index:1000; background-color:#F7F7F7; color:#666666; border:1px solid #666666; font-size:9pt; padding:1px 3px 0px 3px; filter: Alpha(Opacity=0); text-align:Left; line-height:18px;}");
document.write("</style>");
document.write("<div id='dypopLayer'></div>");


function showPopupText(){
	var aaa=event.srcElement.sourceIndex
	if(document.all(aaa)){
	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;
// 定义鼠标经过提示 (完毕)