//nav img button for rainforest teachers
		
	img_lo_1=new Image();
	img_lo_1.src="/utl/images/nav_intro_lo.gif";
	img_hi_1=new Image();
	img_hi_1.src="/utl/images/nav_intro_hi2.gif";
	
	img_lo_2=new Image();
	img_lo_2.src="/utl/images/nav_hd_lo.gif";
	img_hi_2=new Image();
	img_hi_2.src="/utl/images/nav_hd_hi2.gif";
	
	img_lo_3=new Image();
	img_lo_3.src="/utl/images/nav_adap_lo.gif";
	img_hi_3=new Image();
	img_hi_3.src="/utl/images/nav_adap_hi2.gif";
	
	img_lo_4=new Image();
	img_lo_4.src="/utl/images/nav_si_lo.gif";
	img_hi_4=new Image();
	img_hi_4.src="/utl/images/nav_si_hi2.gif";
	
	img_lo_5=new Image();
	img_lo_5.src="/utl/images/nav_nt_lo.gif";
	img_hi_5=new Image();
	img_hi_5.src="/utl/images/nav_nt_hi2.gif";
	
	img_lo_6=new Image();
	img_lo_6.src="/utl/images/nav_lc_lo.gif";
	img_hi_6=new Image();
	img_hi_6.src="/utl/images/nav_lc_hi2.gif";
	
	img_lo_7=new Image();
	img_lo_7.src="/utl/images/nav_pc_lo.gif";
	img_hi_7=new Image();
	img_hi_7.src="/utl/images/nav_pc_hi2.gif";
	
	// preload header rollovers
	img_lo_msu=new Image();
	img_lo_msu.src="/utl/images/msu_home_lo.gif";
	img_hi_msu=new Image();
	img_hi_msu.src="/utl/images/msu_home_hi.gif";
	
	img_lo_csam=new Image();
	img_lo_csam.src="/utl/images/csam_home_lo.gif";
	img_hi_csam=new Image();
	img_hi_csam.src="/utl/images/csam_home_hi.gif";
	
	img_lo_prism=new Image();
	img_lo_prism.src="/utl/images/prism_home_lo.gif";
	img_hi_prism=new Image();
	img_hi_prism.src="/utl/images/prism_home_hi.gif";

	img_lo_rainforest=new Image();
	img_lo_rainforest.src="/utl/images/rainforest_home_lo.gif";
	img_hi_rainforest=new Image();
	img_hi_rainforest.src="/utl/images/rainforest_home_hi.gif";
	
	img_lo_support=new Image();
	img_lo_support.src="/utl/images/support_lo.gif";
	img_hi_support=new Image();
	img_hi_support.src="/utl/images/support_hi.gif";
	
	img_lo_contactus=new Image();
	img_lo_contactus.src="/utl/images/contactus_lo.gif";
	img_hi_contactus=new Image();
	img_hi_contactus.src="/utl/images/contactus_hi.gif";
	
	//nav img button for rainforest home
	
	img_nav_rainforesrteacher_lo=new Image();
	img_nav_rainforesrteacher_lo.src="/utl/images/nav_rainforestteacher_lo.gif";
	img_nav_rainforesrteacher_hi=new Image();
	img_nav_rainforesrteacher_hi.src="/utl/images/nav_rainforestteacher_hi.gif";

	img_nav_archives_lo=new Image();
	img_nav_archives_lo.src="/utl/images/nav_archives_lo.gif";
	img_nav_archives_hi=new Image();
	img_nav_archives_hi.src="/utl/images/nav_archives_hi.gif";
	
	img_nav_australiajournal_lo=new Image();
	img_nav_australiajournal_lo.src="/utl/images/nav_australiajournal_lo.gif";
	img_nav_australiajournal_hi=new Image();
	img_nav_australiajournal_hi.src="/utl/images/nav_australiajournal_hi.gif";
	
	img_nav_guestbook_lo=new Image();
	img_nav_guestbook_lo.src="/utl/images/nav_guestbook_lo.gif";
	img_nav_guestbook_hi=new Image();
	img_nav_guestbook_hi.src="/utl/images/nav_guestbook_hi.gif";
	
	img_nav_background_lo=new Image();
	img_nav_background_lo.src="/utl/images/nav_background_lo.gif";
	img_nav_background_hi=new Image();
	img_nav_background_hi.src="/utl/images/nav_background_hi.gif";
	
	img_nav_2002journal_lo=new Image();
	img_nav_2002journal_lo.src="/utl/images/nav_2002journal_lo.gif";
	img_nav_2002journal_hi=new Image();
	img_nav_2002journal_hi.src="/utl/images/nav_2002journal_hi.gif";

	img_nav_2003journal_lo=new Image();
	img_nav_2003journal_lo.src="/utl/images/nav_2003journal_lo.gif";
	img_nav_2003journal_hi=new Image();
	img_nav_2003journal_hi.src="/utl/images/nav_2003journal_hi.gif";
	
	img_nav_teachertips_lo=new Image();
	img_nav_teachertips_lo.src="http://rainforest.montclair.edu/pwebrf/rainforest/Images/button/nav_teachertips_lo2.jpg";
	img_nav_teachertips_hi=new Image();
	img_nav_teachertips_hi.src="http://rainforest.montclair.edu/pwebrf/rainforest/Images/button/nav_teachertips_hi2.jpg";
	
	img_nav_studentwriters_lo=new Image();
	img_nav_studentwriters_lo.src="/utl/images/nav_studentwriters_lo.gif";
	img_nav_studentwriters_hi=new Image();
	img_nav_studentwriters_hi.src="/utl/images/nav_studentwriters_hi.gif";
	
	img_nav_researchers_lo=new Image();
	img_nav_researchers_lo.src="/utl/images/nav_researchers_lo.gif";
	img_nav_researchers_hi=new Image();
	img_nav_researchers_hi.src="/utl/images/nav_researchers_hi.gif";
	
	img_nav_newjournalentries_lo=new Image();
	img_nav_newjournalentries_lo.src="/utl/images/nav_newjournalentries_lo.gif";
	img_nav_newjournalentries_hi=new Image();
	img_nav_newjournalentries_hi.src="/utl/images/nav_newjournalentries_hi.gif";
	
	//nav img button for live on video
		
	img_liveonvideo_btn_lo=new Image();
	img_liveonvideo_btn_lo.src="/utl/images/liveonvideo_btn_lo.jpg";
	img_liveonvideo_btn_hi=new Image();
	img_liveonvideo_btn_hi.src="/utl/images/liveonvideo_btn_hi.jpg";
	

	//nav img button for slideshow download on teachers in pamana
		
	img_slideshowdownload_lo=new Image();
	img_slideshowdownload_lo.src="/utl/images/slideshowdownload_lo.jpg";
	img_slideshowdownload_hi=new Image();
	img_slideshowdownload_hi.src="/utl/images/slideshowdownload_hi.jpg";


	//nav img button for slideshow download on teachers in pamana
		
	img_australiaslideshowdownload_lo=new Image();
	img_australiaslideshowdownload_lo.src="/utl/images/australiaslideshowdownload_lo.jpg";
	img_australiaslideshowdownload_hi=new Image();
	img_australiaslideshowdownload_hi.src="/utl/images/australiaslideshowdownload_hi.jpg";
	
	// rollover function
	function iSwap(imgSwap,imgName) {
		imgSwap = eval(imgSwap + ".src");
		document [imgName].src = imgSwap;
	}