tPopWait=50;		//停留tWait豪秒后显示提示。
tPopShow=6000;		//显示tShow豪秒后关闭提示
showPopStep=20;
popOpacity=95;
nowOpacity=0
//***************内部变量定义*****************
sPop=null;curShow=null;tFadeOut=null;tFadeIn=null;tFadeWaiting=null;

var o;
MouseX=0;
MouseY=0;
document.write("<div id='dypopLayer' style='position:absolute;z-index:1000;' class='cPopText'></div>");

function showPopupText(e){
if (navigator.appName == 'Netscape')
 {
	o=e.originalTarget;
	MouseX=e.pageX-document.body.scrollLeft;
	MouseY=e.pageY-document.body.scrollTop;

}
else
{	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=="") {
				GetElement(document,"dypopLayer").innerHTML="";
				GetElement(document,"dypopLayer").style.filter="Alpha()";
				GetElement(document,"dypopLayer").style.filter="Alpha(Opacity=0)";
				}
			else {
				if(o.dyclass!=null) popStyle=o.dyclass
					else popStyle="cPopText";
				curShow=setTimeout("showIt()",tPopWait);
			}

	}
}

function showIt(){
		GetElement(document,"dypopLayer").className=popStyle;
		sPop="<table cellspacing=1 cellpadding=3 class=tbl><tr height=23 class=ctr2><td nowrap align=left>" + sPop + "</td></tr></table>";
		GetElement(document,"dypopLayer").innerHTML=sPop;
		popWidth=GetElement(document,"dypopLayer").clientWidth;
		popHeight=GetElement(document,"dypopLayer").clientHeight;
		popLeftAdjust=0;
		popTopAdjust=0;
		if (navigator.appName == 'Netscape')
 		{
			popHeight=30;
			popWidth=120;
		}
		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;

		
		GetElement(document,"dypopLayer").style.left=MouseX+12+document.body.scrollLeft+popLeftAdjust;
		GetElement(document,"dypopLayer").style.top=MouseY+12+document.body.scrollTop+popTopAdjust;
		GetElement(document,"dypopLayer").style.filter="Alpha(Opacity=0)";
		
		fadeOut();
}

function fadeOut(){
	if(nowOpacity<popOpacity) {
		nowOpacity+=showPopStep;
		GetElement(document,"dypopLayer").style.filter="Alpha(Opacity="+nowOpacity+")";
		//alert(GetElement(document,"dypopLayer").style.filter);
		tFadeOut=setTimeout("fadeOut()",1);
		}
		else {
			GetElement(document,"dypopLayer").style.filter="Alpha(Opacity="+popOpacity+")";
			tFadeWaiting=setTimeout("fadeIn()",tPopShow);
			}
}

function fadeIn(){
	if(nowOpacity>0) {
		nowOpacity--;
		GetElement(document,"dypopLayer").style.filter="Alpha(Opacity="+nowOpacity+")";
		tFadeIn=setTimeout("fadeIn()",1);
		}
}
if (navigator.appName == 'Netscape')
 {
	document.captureEvents(Event.MOUSEMOVE);
	document.onmousemove = showPopupText;
}
else
	document.onmouseover=showPopupText;