if (document.images) {
		navworkson = new Image(); navworkson.src = "img/nav_epsworks_over.gif";
		navworksoff = new Image(); navworksoff.src = "img/nav_epsworks.gif";
		navsepson = new Image(); navsepson.src = "img/nav_seps_over.gif";
		navsepsoff = new Image(); navsepsoff.src = "img/nav_seps.gif";
		navmepson = new Image(); navmepson.src = "img/nav_meps_over.gif";
		navmepsoff = new Image(); navmepsoff.src = "img/nav_meps.gif";
		navecpon = new Image(); navecpon.src = "img/nav_products_over.gif";
		navecpoff = new Image(); navecpoff.src = "img/nav_products.gif";
		navnewson = new Image(); navnewson.src = "img/nav_fsinews_over.gif";
		navnewsoff = new Image(); navnewsoff.src = "img/nav_fsinews.gif";
		navfaqon = new Image(); navfaqon.src = "img/nav_faqs_over.gif";
		navfaqoff = new Image(); navfaqoff.src = "img/nav_faqs.gif";
		navcontactuson = new Image(); navcontactuson.src = "img/nav_contactus_over.gif";
		navcontactusoff = new Image(); navcontactusoff.src = "img/nav_contactus.gif";
		navhomeon = new Image(); navhomeon.src = "img/homebutton_over.gif";
		navhomeoff = new Image(); navhomeoff.src = "img/homebutton.gif";
		navfeatureson = new Image(); navfeatureson.src = "img/nav_featuresbutton_sub_over.gif";
		navfeaturesoff = new Image(); navfeaturesoff.src = "img/nav_featuresbutton_sub.gif";		
		
}

function act(imgName){
	if (document.images)  document[imgName].src = eval(imgName + 'on.src')	
}

function inact(imgName) {
	if (document.images)  document[imgName].src = eval(imgName + 'off.src')
}