if (document.images) {	

	homeon = new Image(69, 58);
	homeon.src = rootDirectory + "images/HNR_home.gif";
	homeoff = new Image(69, 58);
	homeoff.src = rootDirectory + "images/HN_home.gif";
	
	abouton = new Image(68, 58);
	abouton.src = rootDirectory + "images/HNR_about.gif";
	aboutoff = new Image(68, 58);
	aboutoff.src = rootDirectory + "images/HN_about.gif";
	
	productson = new Image(85, 58);
	productson.src = rootDirectory + "images/HNR_products.gif";
	productsoff = new Image(85, 58);
	productsoff.src = rootDirectory + "images/HN_products.gif";
	
	resourceson = new Image(91, 58);
	resourceson.src = rootDirectory + "images/HNR_resources.gif";
	resourcesoff = new Image(91, 58);
	resourcesoff.src = rootDirectory + "images/HN_resources.gif";
	
	careerson = new Image(104, 58);
	careerson.src = rootDirectory + "images/HNR_careers.gif";
	careersoff = new Image(104, 58);
	careersoff.src = rootDirectory + "images/HN_careers.gif";
	
	investorson = new Image(78, 58);
	investorson.src = rootDirectory + "images/HNR_investors.gif";
	investorsoff = new Image(78, 58);
	investorsoff.src = rootDirectory + "images/HN_investors.gif";
	
	contacthomeon = new Image(70, 38);
	contacthomeon.src = rootDirectory + "images/HNR_contact.gif";
	contacthomeoff = new Image(70, 38);
	contacthomeoff.src = rootDirectory + "images/HN_contact.gif";
	
	sitemaphomeon = new Image(53, 38);
	sitemaphomeon.src = rootDirectory + "images/HNR_sitemap.gif";
	sitemaphomeoff = new Image(53, 38);
	sitemaphomeoff.src = rootDirectory + "images/HN_sitemap.gif";
	
	helphomeon = new Image(60, 38);
	helphomeon.src = rootDirectory + "images/HNR_help.gif";
	helphomeoff = new Image(60, 38);
	helphomeoff.src = rootDirectory + "images/HN_help.gif";
	
	//sub page specific image rollovers
	searchon = new Image(89, 38);
	searchon.src = rootDirectory + "images/SNR_search.gif";
	searchoff = new Image(89, 38);
	searchoff.src = rootDirectory + "images/SN_search.gif";
	
	contacton = new Image(70, 38);
	contacton.src = rootDirectory + "images/SNR_contact.gif";
	contactoff = new Image(70, 38);
	contactoff.src = rootDirectory + "images/SN_contact.gif";
	
	sitemapon = new Image(53, 38);
	sitemapon.src = rootDirectory + "images/SNR_sitemap.gif";
	sitemapoff = new Image(53, 38);
	sitemapoff.src = rootDirectory + "images/SN_sitemap.gif";
	
	helpon = new Image(61, 38);
	helpon.src = rootDirectory + "images/SNR_help.gif";
	helpoff = new Image(61, 38);
	helpoff.src = rootDirectory + "images/SN_help.gif";
	
	
	//chinese site rollovers
	
	chhomeon = new Image(62, 58);
	chhomeon.src = rootDirectory + "images/CH_HNR_home.gif";
	chhomeoff = new Image(62, 58);
	chhomeoff.src = rootDirectory + "images/CH_HN_home.gif";
	
	chabouton = new Image(83, 58);
	chabouton.src = rootDirectory + "images/CH_HNR_about.gif";
	chaboutoff = new Image(83, 58);
	chaboutoff.src = rootDirectory + "images/CH_HN_about.gif";
	
	chproductson = new Image(89, 58);
	chproductson.src = rootDirectory + "images/CH_HNR_products.gif";
	chproductsoff = new Image(89, 58);
	chproductsoff.src = rootDirectory + "images/CH_HN_products.gif";
	
	chresourceson = new Image(86, 58);
	chresourceson.src = rootDirectory + "images/CH_HNR_resources.gif";
	chresourcesoff = new Image(86, 58);
	chresourcesoff.src = rootDirectory + "images/CH_HN_resources.gif";
	
	chinvestorson = new Image(87, 58);
	chinvestorson.src = rootDirectory + "images/CH_HNR_investors.gif";
	chinvestorsoff = new Image(87, 58);
	chinvestorsoff.src = rootDirectory + "images/CH_HN_investors.gif";
	
	chcareerson = new Image(88, 58);
	chcareerson.src = rootDirectory + "images/CH_HNR_careers.gif";
	chcareersoff = new Image(88, 58);
	chcareersoff.src = rootDirectory + "images/CH_HN_careers.gif";
	
	searchchineseon = new Image(116, 38);
	searchchineseon.src = rootDirectory + "images/HNR_search_chinese.gif";
	searchchineseoff = new Image(116, 38);
	searchchineseoff.src = rootDirectory + "images/HN_search_chinese.gif";
	
	contactchineseon = new Image(70, 38);
	contactchineseon.src = rootDirectory + "images/HNR_contact_chinese.gif";
	contactchineseoff = new Image(70, 38);
	contactchineseoff.src = rootDirectory + "images/HN_contact_chinese.gif";
	
	sitemapchineseon = new Image(53, 38);
	sitemapchineseon.src = rootDirectory + "images/HNR_sitemap_chinese.gif";
	sitemapchineseoff = new Image(53, 38);
	sitemapchineseoff.src = rootDirectory + "images/HN_sitemap_chinese.gif";
	
	helpchineseon = new Image(60, 38);
	helpchineseon.src = rootDirectory + "images/HNR_help_chinese.gif";
	helpchineseoff = new Image(60, 38);
	helpchineseoff.src = rootDirectory + "images/HN_help_chinese.gif";
 }

function On(imgName) {
      if (document.images) 
		document.images[imgName].src = eval(imgName + "on.src");

}

function Off(imgName) {
      if (document.images)
             document.images[imgName].src = eval(imgName + "off.src");
} 

defaultStatus = '';

function check_search_form(this_form)
{
	if (this_form.search.value.length == 0)
		{
		alert('Search Text is required');
		this_form.search.focus();
		return false;
		}
	return true;
}

function redirect(selectObject) 
{
	var choice = selectObject.selectedIndex;
	window.location = selectObject.options[choice].value;
}