if (document.images)
    {
      nav_about_off=new Image();
      nav_about_on=new Image();
      nav_pricing_off=new Image();
      nav_pricing_on=new Image();
      nav_contact_off=new Image();
      nav_contact_on=new Image();
      nav_news_off=new Image();
      nav_news_on=new Image();
      nav_irinasblog_off=new Image();
      nav_irinasblog_on=new Image();
      nav_commissions_off=new Image();
      nav_commissions_on=new Image();

	  tab_oilpaintings_off=new Image();
      tab_oilpaintings_on=new Image();
      tab_watercolors_off=new Image();
      tab_watercolors_on=new Image();
	  tab_murals_off=new Image();
      tab_murals_on=new Image();
      tab_reproductions_off=new Image();
      tab_reproductions_on=new Image();

	  tab2_oilpaintings_off=new Image();
      tab2_oilpaintings_on=new Image();
      tab2_watercolors_off=new Image();
      tab2_watercolors_on=new Image();
	  tab2_murals_off=new Image();
      tab2_murals_on=new Image();
      tab2_reproductions_off=new Image();
      tab2_reproductions_on=new Image();


		nav_about_off.src="images/nav_about.gif";
		nav_about_on.src="images/nav_about_on.gif";
		nav_pricing_off.src="images/nav_pricing.gif";
		nav_pricing_on.src="images/nav_pricing_on.gif";
		nav_contact_off.src="images/nav_contact.gif";
	    nav_contact_on.src="images/nav_contact_on.gif";
		nav_news_off.src="images/nav_news.gif";
	    nav_news_on.src="images/nav_news_on.gif";
		nav_irinasblog_off.src="images/nav_irinasblog.gif";
	    nav_irinasblog_on.src="images/nav_irinasblog_on.gif";
		nav_commissions_off.src="images/nav_commissions.gif";
	    nav_commissions_on.src="images/nav_commissions_on.gif";
	
	    tab_oilpaintings_off.src="images/tab_oilpaintings.gif";
	    tab_oilpaintings_on.src="images/tab_oilpaintings_on.gif";
		tab_watercolors_off.src="images/tab_watercolors.gif";
	    tab_watercolors_on.src="images/tab_watercolors_on.gif";
		tab_murals_off.src="images/tab_murals.gif";
	    tab_murals_on.src="images/tab_murals_on.gif";
		tab_reproductions_off.src="images/tab_reproductions.gif";
	    tab_reproductions_on.src="images/tab_reproductions_on.gif";
	
		tab2_oilpaintings_off.src="images/tab2_oilpaintings.gif";
	    tab2_oilpaintings_on.src="images/tab2_oilpaintings_on.gif";
		tab2_watercolors_off.src="images/tab2_watercolors.gif";
	    tab2_watercolors_on.src="images/tab2_watercolors_on.gif";
		tab2_murals_off.src="images/tab2_murals.gif";
	    tab2_murals_on.src="images/tab2_murals_on.gif";
		tab2_reproductions_off.src="images/tab2_reproductions.gif";
	    tab2_reproductions_on.src="images/tab2_reproductions_on.gif";
    }

function display(button)
       { if (document.images)
            {
              if (button=="nav_about_off") document.nav_about.src=nav_about_off.src;
              if (button=="nav_about_on") document.nav_about.src=nav_about_on.src;
			  if (button=="nav_pricing_off") document.nav_pricing.src=nav_pricing_off.src;
              if (button=="nav_pricing_on") document.nav_pricing.src=nav_pricing_on.src;
	  		  if (button=="nav_contact_off") document.nav_contact.src=nav_contact_off.src;
              if (button=="nav_contact_on") document.nav_contact.src=nav_contact_on.src;
			  if (button=="nav_news_off") document.nav_news.src=nav_news_off.src;
              if (button=="nav_news_on") document.nav_news.src=nav_news_on.src;
			  if (button=="nav_irinasblog_off") document.nav_irinasblog.src=nav_irinasblog_off.src;
              if (button=="nav_irinasblog_on") document.nav_irinasblog.src=nav_irinasblog_on.src;
			  if (button=="nav_commissions_off") document.nav_commissions.src=nav_commissions_off.src;
              if (button=="nav_commissions_on") document.nav_commissions.src=nav_commissions_on.src;

			  if (button=="tab_oilpaintings_off") document.tab_oilpaintings.src=tab_oilpaintings_off.src;
			  if (button=="tab_oilpaintings_on") document.tab_oilpaintings.src=tab_oilpaintings_on.src;
			  if (button=="tab_watercolors_off") document.tab_watercolors.src=tab_watercolors_off.src;
			  if (button=="tab_watercolors_on") document.tab_watercolors.src=tab_watercolors_on.src;
			  if (button=="tab_murals_off") document.tab_murals.src=tab_murals_off.src;
			  if (button=="tab_murals_on") document.tab_murals.src=tab_murals_on.src;
			  if (button=="tab_reproductions_off") document.tab_reproductions.src=tab_reproductions_off.src;
              if (button=="tab_reproductions_on") document.tab_reproductions.src=tab_reproductions_on.src;

			  if (button=="tab2_oilpaintings_off") document.tab2_oilpaintings.src=tab2_oilpaintings_off.src;
			  if (button=="tab2_oilpaintings_on") document.tab2_oilpaintings.src=tab2_oilpaintings_on.src;
			  if (button=="tab2_watercolors_off") document.tab2_watercolors.src=tab2_watercolors_off.src;
			  if (button=="tab2_watercolors_on") document.tab2_watercolors.src=tab2_watercolors_on.src;
			  if (button=="tab2_murals_off") document.tab2_murals.src=tab2_murals_off.src;
			  if (button=="tab2_murals_on") document.tab2_murals.src=tab2_murals_on.src;
			  if (button=="tab2_reproductions_off") document.tab2_reproductions.src=tab2_reproductions_off.src;
              if (button=="tab2_reproductions_on") document.tab2_reproductions.src=tab2_reproductions_on.src;
            }
        }