if (document.images) {
<!-- rollovers main menu -->
		img_about = new Image
		img_about_over = new Image
		img_work = new Image
		img_work_over = new Image
 		img_contact = new Image
		img_contact_over = new Image
<!-- rollovers about -->
		img_partners = new Image
		img_partners_over = new Image
		img_strategic_alliances = new Image
		img_strategic_alliances_over = new Image
		img_news = new Image
		img_news_over = new Image
		img_process = new Image
		img_process_over = new Image
<!-- rollovers work -->
		img_heraldy = new Image
		img_heraldy_over = new Image
		img_packaging = new Image
		img_packaging_over = new Image
		img_marketing = new Image
		img_marketing_over = new Image
		img_media = new Image
		img_media_over = new Image
		img_broadcast = new Image
		img_broadcast_over = new Image
<!-- rollovers source main menu -->
		img_about.src = "images/about.jpg"
		img_about_over.src = "images/about-over.jpg"
		img_work.src = "images/work.jpg"
		img_work_over.src = "images/work-over.jpg"
 		img_contact.src = "images/contact.jpg"		
		img_contact_over.src = "images/contact-over.jpg"
<!-- rollovers source about -->
		img_partners.src = "images/about/partners.gif"
		img_partners_over.src = "images/about/partners-over.gif"
		img_strategic_alliances.src = "images/about/strategic_alliances.gif"
		img_strategic_alliances_over.src = "images/about/strategic_alliances-over.gif"
		img_news.src = "images/about/news.gif"
		img_news_over.src = "images/about/news-over.gif"
		img_process.src = "images/about/process.gif"
		img_process_over.src = "images/about/process-over.gif"
<!-- rollovers source work -->
		img_heraldy.src = "images/work/heraldy.gif"
		img_heraldy_over.src = "images/work/heraldy-over.gif"
		img_packaging.src = "images/work/packaging.gif"
		img_packaging_over.src = "images/work/packaging-over.gif"
		img_marketing.src = "images/work/marketing.gif"
		img_marketing_over.src = "images/work/marketing-over.gif"
		img_media.src = "images/work/media.gif"
		img_media_over.src = "images/work/media-over.gif"
		img_broadcast.src = "images/work/broadcast.gif"
		img_broadcast_over.src = "images/work/broadcast-over.gif"
	}
	
	function rollover(refName, img) {
		if (document.images) document.images[refName].src = img.src
	}