if (document.images) {
//nav
nav_about = new Image()
nav_about.src = "../images/nav_about.gif";
nav_about_o = new Image();
nav_about_o.src = "../images/nav_about_o.gif";
nav_programs = new Image();
nav_programs.src = "../images/nav_progpub.gif";
nav_programs_o = new Image();
nav_programs_o.src = "../images/nav_progpub_o.gif";
nav_fund = new Image();
nav_fund.src = "../images/nav_fund.gif";
nav_fund_o = new Image();
nav_fund_o.src = "../images/nav_fund_o.gif";
nav_links = new Image();
nav_links.src = "../images/nav_links.gif";
nav_links_o = new Image();
nav_links_o.src = "../images/nav_links_o.gif";
nav_search = new Image();
nav_search.src = "../images/nav_search.gif";
nav_search_o = new Image();
nav_search_o.src = "../images/nav_search_o.gif";
nav_contact = new Image();
nav_contact.src = "../images/nav_contact.gif";
nav_contact_o = new Image();
nav_contact_o.src = "../images/nav_contact_o.gif";
nav_extranet = new Image();
nav_extranet.src = "../images/nav_extranet.gif";
nav_extranet_o = new Image();
nav_extranet_o.src = "../images/nav_extranet_o.gif";
}

function RollOver(img1,ref1) {
	if (document.images) {
		document.images[img1].src = eval(ref1 + ".src");
	}
}