function MM_nbGroup(event, grpName) { //v3.0
		var i,img,nbArr,args=MM_nbGroup.arguments;
		if (event == "init" && args.length > 2) {
			if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
				img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
				if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
				nbArr[nbArr.length] = img;
				for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
					if (!img.MM_up) img.MM_up = img.src;
					img.src = img.MM_dn = args[i+1];
					nbArr[nbArr.length] = img;
			} }
		} else if (event == "over") {
			document.MM_nbOver = nbArr = new Array();
			for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
				if (!img.MM_up) img.MM_up = img.src;
				img.src = (img.MM_dn && args[i+2]) ? args[i+2] : args[i+1];
				nbArr[nbArr.length] = img;
			}
		} else if (event == "out" ) {
			for (i=0; i < document.MM_nbOver.length; i++) {
				img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
		} else if (event == "down") {
			if ((nbArr = document[grpName]) != null)
				for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
			document[grpName] = nbArr = new Array();
			for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
				if (!img.MM_up) img.MM_up = img.src;
				img.src = img.MM_dn = args[i+1];
				nbArr[nbArr.length] = img;
		} }
	}