/**
 * Swap the src of an image
 * @param	mixed		obj		Object to swap
 * @param	string	img		New SRC for the image
 */
function swapImage ( obj, img ) {
	//var dbg			= document.getElementById( "debug" );
	//dbg.innerHTML	= dbg.innerHTML + "<br>\nSwapping " + img;
	obj.src	= img;
}