function preloadImages( )
{
	if ( !document.getElementById( 'img' ) )
		return false;
	
	for ( var p in images )
	{
		a = new Image( );
		a.src = images[p];
	}
	
	setImage( );
}

var cur_image = 0;

function setImage(  ) {
	if ( !document.getElementById( 'img' ) )
		return false;
	document.getElementById( 'img' ).src = images[cur_image];
	cur_image += 1;
	if ( cur_image >= images.length )
		cur_image = 0;
	setTimeout( "setImage( );", 3000 );
}