if (document.images) {

nav_home_0 = new Image
nav_home_1 = new Image
nav_g_news_0 = new Image
nav_g_news_1 = new Image
nav_i_news_0 = new Image
nav_i_news_1 = new Image
nav_g_auto_0 = new Image
nav_g_auto_1 = new Image
nav_g_research_0 = new Image
nav_g_research_1 = new Image
nav_resources_0 = new Image
nav_resources_1 = new Image
nav_contact_0 = new Image
nav_contact_1 = new Image
nav_about_0 = new Image
nav_about_1 = new Image

		nav_home_0.src = "/media/nav_home_0.gif"
		nav_home_1.src = "/media/nav_home_1.gif"
		nav_g_news_0.src = "/media/nav_g_news_0.gif"
		nav_g_news_1.src = "/media/nav_g_news_1.gif"
		nav_i_news_0.src = "/media/nav_i_news_0.gif"
		nav_i_news_1.src = "/media/nav_i_news_1.gif"
		nav_g_auto_0.src = "/media/nav_g_auto_0.gif"
		nav_g_auto_1.src = "/media/nav_g_auto_1.gif"
		nav_g_research_0.src = "/media/nav_g_research_0.gif"
		nav_g_research_1.src = "/media/nav_g_research_1.gif"
		nav_resources_0.src = "/media/nav_resources_0.gif"
		nav_resources_1.src = "/media/nav_resources_1.gif"
		nav_contact_0.src = "/media/nav_contact_0.gif"
		nav_contact_1.src = "/media/nav_contact_1.gif"
		nav_about_0.src = "/media/nav_about_0.gif"
		nav_about_1.src = "/media/nav_about_1.gif"


		
	}
	
	function chgImg(imgField,newImg) {
		if (document.images) {
			document[imgField].src= eval(newImg + ".src")
		}
	}