// Preload images
if (document.images)
{
	buttons_normal = Array();
	buttons_over = Array();
	buttonref_normal = Array();
	buttonref_over = Array();
	
	var ind;
	for (var i = 1; i <= 7; i++)
	{
		var ind = i + '';
		buttons_normal[ind] = new Image();
		buttons_normal[ind].src = 'images/button' + ind + '_normal.jpg';
		buttons_over[ind] = new Image();
		buttons_over[ind].src = 'images/button' + ind + '_over.jpg';
		
		if (i > 4)
		{
			buttonref_normal[ind] = new Image();
			buttonref_normal[ind].src = 'images/buttonref' + ind + '_normal.jpg';
			buttonref_over[ind] = new Image();
			buttonref_over[ind].src = 'images/buttonref' + ind + '_over.jpg';
		}
	}
}


function mouseOver(index)
{
	ind = index + '';
	eval('button' + ind).src = buttons_over[ind].src;
	
	if (index > 4)
		eval('buttonref' + ind).src = buttonref_over[ind].src;
}


function mouseOut(index)
{
	ind = index + '';
	eval('button' + ind).src = buttons_normal[ind].src;
	
	if (index > 4)
		eval('buttonref' + ind).src = buttonref_normal[ind].src;
}