browserOK = true; 
	pics = new Array(); 
	
	var objCount = 0; 

	function preload(name, one, two) { 

  		if (browserOK) { 
			pics[objCount] = new Array(3); 
			pics[objCount][0] = new Image(); 
			pics[objCount][0].src = one; 
			pics[objCount][1] = new Image(); 
			pics[objCount][1].src = two; 
			pics[objCount][2] = name; 
			objCount++; 
		}
	}

	function on(name) {
		if (browserOK) { 
			for (x = 0; x < objCount; x++) { 
				if (name == pics[x][2]) { 
				document.images[pics[x][2]].src = pics[x][1].src; 
				} 
			} 
		} 
	} 

	function off(name){ 
		if (browserOK) { 
			for (x = 0; x < objCount; x++) { 
				if (name == pics[x][2]) { 
					document.images[pics[x][2]].src = pics[x][0].src; 
				} 
			} 
		} 
	}