// Netscape 3.0 compatibility test (for javascript image swapping)
compat = false;
if( parseInt( navigator.appVersion ) >= 3 ) { compat = true; }

// cache images for quick swapping
if( compat )
{
	ifiton = new Image();
	ifiton.src = "images/ifit_over.gif";
	ifitoff = new Image();
	ifitoff.src = "images/ifit_btn.gif";

	FMon = new Image();
	FMon.src = "images/FM_over.gif";
	FMoff = new Image();
	FMoff.src = "images/FM_btn.gif";

	CRSon = new Image();
	CRSon.src = "images/CRS_over.gif";
	CRSoff = new Image();
	CRSoff.src = "images/CRS_btn.gif";

	whyon = new Image();
	whyon.src = "images/why_ST_over.gif";
	whyoff = new Image();
	whyoff.src = "images/why_ST_btn.gif";
	
	PT3on = new Image();
	PT3on.src = "images/PT3_feature_over.gif";
	PT3off = new Image();
	PT3off.src = "images/PT3_feature_btn.gif";

	teson = new Image();
	teson.src = "images/testimonials_over.gif";
	tesoff = new Image();
	tesoff.src = "images/testimonials_btn.gif";

	NTon = new Image();
	NTon.src = "images/menu_logo_over.gif";
	NToff = new Image();
	NToff.src = "images/menu_logo.gif";

}

// swap images using the cached images
function brillar(x, y)
{
	if( compat ) { document.images[x].src=eval(y+'.src'); }
}