// JavaScript Document
function swap_arrow(elem, onOff) {
	var on = "assets/img/deco/orange_arrow.gif"
	var off = "assets/img/deco/grey_arrow.gif"
	
	if (onOff == "on") {
		document.images[elem].src = on
	}
	else {
		document.images[elem].src = off
	}
}