if (document.images) {
	nav1on = new Image(); nav1on.src = "/sac/images/globalnav_home_on.gif";
	nav2on = new Image(); nav2on.src = "/sac/images/globalnav_aboutus_on.gif";
	nav3on = new Image(); nav3on.src = "/sac/images/globalnav_contactus_on.gif";
	nav4on = new Image(); nav4on.src = "/sac/images/globalnav_faqs_on.gif";
	nav5on = new Image(); nav5on.src = "/sac/images/globalnav_sitemap_on.gif";
	navoff = new Image(); navoff.src = currentTab;
}

function rollOn(img1,text){
	str = "window.status = '" + text + "'";
	if (document.all) setTimeout(str,5); 
    else window.status = text;
	if (document.images) {
		document.navs.src=eval(img1 + "on.src");
	}
}

function rollOff(){
    window.status = "";	
	if (document.images) {
		document.navs.src=navoff.src;
	}
}