homeoff = new Image();
homeoff.src = "images/button-home.gif"
homeon = new Image();
homeon.src = "images/button-home-on.gif"

aboutoff = new Image();
aboutoff.src = "images/button-about.gif"
abouton = new Image();
abouton.src = "images/button-about-on.gif"

faqoff = new Image();
faqoff.src = "images/button-faq.gif"
faqon = new Image();
faqon.src = "images/button-faq-on.gif"

sitemapoff = new Image();
sitemapoff.src = "images/button-sitemap.gif"
sitemapon = new Image();
sitemapon.src = "images/button-sitemap-on.gif"

debt_helpoff = new Image();
debt_helpoff.src = "images/button-debthelp.gif"
debt_helpon = new Image();
debt_helpon.src = "images/button-debthelp-on.gif"

function roll(type, imageName)
{
	if ( type == "on" )
	{
		document[imageName].src = eval(imageName + "on.src");
	}
	else
	{
		document[imageName].src = eval(imageName + "off.src");
	}
}