function imgAct(imgName) {			// Rollover activation
	bVer = parseInt(navigator.appVersion);		// Check browser version
	if (bVer >=3) {
	document[imgName].src = eval(imgName + "on.src");
	}
	}

function imgInact(imgName) {			// Rollover deactivation
	bVer = parseInt(navigator.appVersion);		// Check browser version
	if (bVer >=3) {
	document[imgName].src = eval(imgName + "off.src");
	}
	}