if (document.images)
{
	// main navigation
	var productsOn    = new Image();  productsOn.src    = "images/navigation/main-products-over.gif";
	var productsOff   = new Image();  productsOff.src   = "images/navigation/main-products.gif";
	var aboutOn       = new Image();  aboutOn.src       = "images/navigation/main-about-over.gif";
	var aboutOff      = new Image();  aboutOff.src      = "images/navigation/main-about.gif";
	var newsOn        = new Image();  newsOn.src        = "images/navigation/main-news-over.gif";
	var newsOff       = new Image();  newsOff.src       = "images/navigation/main-news.gif";
	var employmentOn  = new Image();  employmentOn.src  = "images/navigation/main-employment-over.gif";
	var employmentOff = new Image();  employmentOff.src = "images/navigation/main-employment.gif";
	
	var irOn  = new Image();  irOn.src  = "images/navigation/main-ir-over.gif";
	var irOff = new Image();  irOff.src = "images/navigation/main-ir.gif";
	
	//var cserviceOn    = new Image();  cserviceOn.src    = "images/navigation/main-customerservice-over.gif";
	//var cserviceOff   = new Image();  cserviceOff.src   = "images/navigation/main-customerservice.gif";
	var linksOn       = new Image();  linksOn.src       = "images/navigation/main-links-over.gif";
	var linksOff      = new Image();  linksOff.src      = "images/navigation/main-links.gif";
	var contactOn     = new Image();  contactOn.src     = "images/navigation/main-contact-over.gif";
	var contactOff    = new Image();  contactOff.src    = "images/navigation/main-contact.gif";

	// sub naviagtion
	var sub_products_hotOn    = new Image();  sub_products_hotOn.src    = "images/navigation/sub-products-hotrolled-over.gif";
	var sub_products_hotOff   = new Image();  sub_products_hotOff.src   = "images/navigation/sub-products-hotrolled.gif";
	var sub_products_BottomPouredOn    = new Image();  sub_products_BottomPouredOn.src    = "images/navigation/sub-products-BottomPoured-over.gif";
	var sub_products_BottomPouredOff   = new Image();  sub_products_BottomPouredOff.src   = "images/navigation/sub-products-BottomPoured.gif";
	var sub_products_coldOn   = new Image();  sub_products_coldOn.src   = "images/navigation/sub-products-coldrolled-over.gif";
	var sub_products_coldOff  = new Image();  sub_products_coldOff.src  = "images/navigation/sub-products-coldrolled.gif";
	var sub_products_termsOn  = new Image();  sub_products_termsOn.src  = "images/navigation/sub-products-terms-over.gif";
	var sub_products_termsOff = new Image();  sub_products_termsOff.src = "images/navigation/sub-products-terms.gif";
	
	var sub_about_historyOn        = new Image();  sub_about_historyOn.src        = "images/navigation/sub-about-history-over.gif";
	var sub_about_historyOff       = new Image();  sub_about_historyOff.src       = "images/navigation/sub-about-history.gif";
	var sub_about_managementOn     = new Image();  sub_about_managementOn.src     = "images/navigation/sub-about-management-over.gif";
	var sub_about_managementOff    = new Image();  sub_about_managementOff.src    = "images/navigation/sub-about-management.gif";
	var sub_about_locationsOn      = new Image();  sub_about_locationsOn.src      = "images/navigation/sub-about-locations-over.gif";
	var sub_about_locationsOff     = new Image();  sub_about_locationsOff.src     = "images/navigation/sub-about-locations.gif";
	var sub_about_environmentalOn  = new Image();  sub_about_environmentalOn.src  = "images/navigation/sub-about-environmental-over.gif";
	var sub_about_environmentalOff = new Image();  sub_about_environmentalOff.src = "images/navigation/sub-about-environmental.gif";
	
	var sub_about_ConductOn        = new Image();  sub_about_ConductOn.src  = "images/navigation/sub-about-Conduct-over.gif";
	var sub_about_ConductOff 	   = new Image();  sub_about_ConductOff.src = "images/navigation/sub-about-Conduct.gif";
	var sub_about_QualityOn  	   = new Image();  sub_about_QualityOn.src  = "images/navigation/sub-about-Quality-over.gif";
	var sub_about_QualityOff	   = new Image();  sub_about_QualityOff.src = "images/navigation/sub-about-Quality.gif";
	var sub_about_corporateidOn    = new Image();  sub_about_corporateidOn.src    = "images/navigation/sub-about-corporateid-over.gif";
	var sub_about_corporateidOff   = new Image();  sub_about_corporateidOff.src   = "images/navigation/sub-about-corporateid.gif";

	var sub_news_recentOn   = new Image();  sub_news_recentOn.src   = "images/navigation/sub-news-recent-over.gif";
	var sub_news_recentOff  = new Image();  sub_news_recentOff.src  = "images/navigation/sub-news-recent.gif";
	var sub_news_archiveOn  = new Image();  sub_news_archiveOn.src  = "images/navigation/sub-news-archives-over.gif";
	var sub_news_archiveOff = new Image();  sub_news_archiveOff.src = "images/navigation/sub-news-archives.gif";
	
	var sub_employment_listingsOn  = new Image();  sub_employment_listingsOn.src  = "images/navigation/sub-employment-listings-over.gif";
	var sub_employment_listingsOff = new Image();  sub_employment_listingsOff.src = "images/navigation/sub-employment-listings.gif";
	var sub_employment_resumeOn    = new Image();  sub_employment_resumeOn.src    = "images/navigation/sub-employment-resume-over.gif";
	var sub_employment_resumeOff   = new Image();  sub_employment_resumeOff.src   = "images/navigation/sub-employment-resume.gif";

	var sub_ir_informationOn    = new Image();  sub_ir_informationOn.src    = "images/navigation/sub-ir-information-over.gif";
	var sub_ir_informationOff   = new Image();  sub_ir_informationOff.src   = "images/navigation/sub-ir-information.gif";
	var sub_ir_secOn    = new Image();  sub_ir_secOn.src    = "images/navigation/sub-ir-filings-over.gif";
	var sub_ir_secOff   = new Image();  sub_ir_secOff.src   = "images/navigation/sub-ir-filings.gif";
	var sub_ir_govOn    = new Image();  sub_ir_govOn.src    = "images/navigation/sub-ir-governmance-over.gif";
	var sub_ir_govOff   = new Image();  sub_ir_govOff.src   = "images/navigation/sub-ir-governmance.gif";
	var sub_ir_newsOn    = new Image();  sub_ir_newsOn.src    = "images/navigation/sub-ir-news-over.gif";
	var sub_ir_newsOff   = new Image();  sub_ir_newsOff.src   = "images/navigation/sub-ir-news.gif";
	var sub_ir_officersOn    = new Image();  sub_ir_officersOn.src    = "images/navigation/sub-ir-officers-over.gif";
	var sub_ir_officersOff   = new Image();  sub_ir_officersOff.src   = "images/navigation/sub-ir-officers.gif";
	var sub_ir_faqOn    = new Image();  sub_ir_faqOn.src    = "images/navigation/sub-ir-qa-over.gif";
	var sub_ir_faqOff   = new Image();  sub_ir_faqOff.src   = "images/navigation/sub-ir-qa.gif";
	

	var sub_links_associationsOn  = new Image();  sub_links_associationsOn.src  = "images/navigation/sub-links-associations-over.gif";
	var sub_links_associationsOff = new Image();  sub_links_associationsOff.src = "images/navigation/sub-links-associations.gif";
	var sub_links_publicationsOn  = new Image();  sub_links_publicationsOn.src  = "images/navigation/sub-links-publications-over.gif";
	var sub_links_publicationsOff = new Image();  sub_links_publicationsOff.src = "images/navigation/sub-links-publications.gif";
}