// Some variables

var nextpics = new Array();
var previouspics = new Array();
var suffix = new Array('norm','over','click');

// Pre-load part.

if (document.images)
{
	for (i=0;i<suffix.length;i++)
	{
		nextpics[i] = new Image;
		nextpics[i].src = "../images/ArrowRight-" + (i + 1) + ".png"
		previouspics[i] = new Image;
		previouspics[i].src = "../images/ArrowLeft-" + (i + 1) + ".png";
	}
}


// The functions: first mouseover, then mouseout

function next(num)
{
	if (document.images)
	{
		document.images['nextpic'].src = nextpics[num - 1].src
	}
}

function previous(num)
{
	if (document.images)
	{
		document.images['previouspic'].src = previouspics[num - 1].src
	}
}