// JavaScript Document
function changeImg(which, state){
	this.which = which;
	this.state = state;
	var on, off, path, position,extension;
	on = "_B";
	off= "_A";
	path = "img/navigation/";
	extension = ".gif";
	switch (state){
		case 1:
			position = on;
			break;
		case 2:
			position = off;
			break;
	}
	document.getElementById(which).src = path + which + position + extension;
	
	}
	
function changeBackgroundColor(which,pos){
	this.which = which;
	this.pos = pos
	switch(pos){
		case 1:
			document.getElementById(which).bgColor = "#582457";
			break;
		case 2:
			document.getElementById(which).bgColor = "";
			break;
		}
	}