//******************************默认设置定义******************************
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 = 90;		//提示框的透明度,百分比
fontcolor = "#000000";
//bgcolor = "EDEDED";
bgcolor = "FFFFCC";
bordercolor = "FFFF33";
//bordercolor = "#EDEDED";

//******************************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: " + bgcolor + ";color:" + fontcolor + "; border: 1px " + bordercolor + " 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>");
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 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;