<!--
	imgWidth=220;
	imgHeight=60;
	imgPath="./images/";
	inventImg=new Array("inventOff.gif","inventOn.gif");
	epcImg=new Array("epcOff.gif","epcOn.gif");
	relocateImg=new Array("relocateOff.gif","relocateOn.gif");
	
	if (document.images){
		inventOn= new Image(imgWidth,imgHeight);
		inventOn.src=imgPath+inventImg[1];  
		inventOff= new Image(imgWidth,imgHeight);
		inventOff.src=imgPath+inventImg[0];

		epcOn= new Image(imgWidth,imgHeight);
		epcOn.src=imgPath+epcImg[1];  
		epcOff= new Image(imgWidth,imgHeight);
		epcOff.src=imgPath+epcImg[0];

		relocateOn= new Image(imgWidth,imgHeight);
		relocateOn.src=imgPath+relocateImg[1];  
		relocateOff= new Image(imgWidth,imgHeight);
		relocateOff.src=imgPath+relocateImg[0];
	}
	
	function lightup(imgName){
		if (document.images){
			imgOn=eval(imgName + "On.src");
			document[imgName].src= imgOn;
		}
	}

	function turnoff(imgName){
		if (document.images){
			imgOff=eval(imgName + "Off.src");
			document[imgName].src= imgOff;
		}
	}

//-->