var unself;

var activeInfo = 0;

var	isNS = (navigator.appName == "Netscape");

var isMacIE = ( (navigator.userAgent.indexOf("IE 4") > -1) && (navigator.userAgent.indexOf("Mac")  > -1) );

var layerRef = (isNS) ? "document" : "document.all";

var styleRef = (isNS) ? "" : ".style";



function getXCoord(imgID) {

	if (isNS) xPos = document.images[imgID].x;

	else xPos = getIEXCoord(imgID)

	

	return xPos;

}



function getYCoord(imgID) {

	if (isNS) yPos = document.images[imgID].y;

	else yPos = getIEYCoord(imgID);

	

	return yPos;

}



function getIEXCoord(imgElem) {

	

	

	xPos = eval(imgElem).offsetLeft;

	tempEl = eval(imgElem).offsetParent;

	while (tempEl != null) {

		xPos += tempEl.offsetLeft;

		tempEl = tempEl.offsetParent;

	}

	return xPos;

}



function getIEYCoord(imgElem) {

	yPos = eval(imgElem).offsetTop;

	tempEl = eval(imgElem).offsetParent;

	while (tempEl != null) {

		yPos += tempEl.offsetTop;

		tempEl = tempEl.offsetParent;

	}

	return yPos;

}



function activateInfo(layerId, imageName, left, top) {

		if (activeInfo) hideInfo(activeInfo); 

		activeInfo = layerId;

		

		var myElem = document.getElementById(imageName);

		var divLayer = document.getElementById (layerId);	

		//divLayer.style.pixelLeft = getIEXCoord(myElem) + left;

		//divLayer.style.pixelTop = getIEYCoord(myElem) + top;

		

		// DR 04-21-09 cross browser fix

		divLayer.style.left = getIEXCoord(myElem) + left + "px";

		divLayer.style.top = getIEYCoord(myElem) + top + "px";

		showInfo(layerId, left, top);

}



function showInfo(layerID, left, top) {

	eval("document.getElementById('"+layerID+"')").style.visibility='visible';

	eval("document.getElementById('"+layerID+"')").style.display='inline';

	

//	eval('document.getlayerRef + '["' + layerID + '"]' + 

//	styleRef + '.visibility = "visible"');

}



function hideInfo(layerID) {

	eval("document.getElementById('"+layerID+"')").style.visibility='hidden';

	eval("document.getElementById('"+layerID+"')").style.display='none';

	

}



// check if there's a info active

function turnOff() {

	

    if (activeInfo) {

        infoID = activeInfo;

        hideInfo(infoID);

        activeInfo = 0;

    }

}