var o1,o2,o3,o4,o5,o6;

if (document.images)
{
	imag = new Array();
	imag[0] = "/researchAreas/reducingBarriers/images/Button_Home_on.jpg";
	imag[1] = "/researchAreas/reducingBarriers/images/Button_Home.jpg";
	imag[2] = "/researchAreas/reducingBarriers/images/Button_Barriers_on.jpg";
	imag[3] = "/researchAreas/reducingBarriers/images/Button_Barriers.jpg";
	imag[4] = "/researchAreas/reducingBarriers/images/Button_Rec_Solutions_on.jpg";
	imag[5] = "/researchAreas/reducingBarriers/images/Button_Rec_Solutions.jpg";
	imag[6] = "/researchAreas/reducingBarriers/images/Button_Technology_on.jpg";
	imag[7] = "/researchAreas/reducingBarriers/images/Button_Technology.jpg";
	imag[8] = "/researchAreas/reducingBarriers/images/Button_Resources_on.jpg";
	imag[9] = "/researchAreas/reducingBarriers/images/Button_Resources.jpg";
	imag[10] = "/researchAreas/reducingBarriers/images/Button_Sitemap_on.jpg";
	imag[11] = "/researchAreas/reducingBarriers/images/Button_Sitemap.jpg";
	
	im = new Array();

	for (var i = 0; i < imag.length; i++)
	{
		im[i] = new Image();
		im[i].src = imag[i];
	}
}	

function toggleImage(imgName,num)
{	
	if (document.images && imgName)
	{
		imgName.src = im[num].src;
	}
	return;
}