var browser = (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) || ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )))
var isIE = ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 ))

function cellOn(CellID) {
	if (browser && isIE) {
		document.all[CellID].background = '/images/Metal-Bar2.jpg'
	}
	else {
		img="url(images/Metal-Bar2.jpg)";
		document.getElementById(CellID).style.backgroundImage=img;	
	}
}

function cellOff(CellID) {
	if (browser && isIE) {
		document.all[CellID].background = '/images/Metal-Bar.jpg'
	}
	else {
		img="url(images/Metal-Bar.jpg)";
		document.getElementById(CellID).style.backgroundImage=img;	
	}

}