if ( document.images )
{
  		RugCollections_on = new Image ( );
  		RugCollections_off = new Image ( );

  		RugCollections_on.src = "images/top_nav/RugCollections_ON.jpg";
  		RugCollections_off.src = "images/top_nav/RugCollections_OFF.jpg";

			/* submenu itmes of 'rug collections' */

			FlatWeave_on = new Image ( );
			FlatWeave_off = new Image ( );

			FlatWeave_on.src = "images/menu/RC_FlatWeave_ON.jpg";
			FlatWeave_off.src = "images/menu/RC_FlatWeave_OFF.jpg";

			HandKnotted_on = new Image ( );
			HandKnotted_off = new Image ( );

			HandKnotted_on.src = "images/menu/RC_HandKnotted_ON.jpg";
			HandKnotted_off.src = "images/menu/RC_HandKnotted_OFF.jpg";

			HandTufted_on = new Image ( );
			HandTufted_off = new Image ( );

			HandTufted_on.src = "images/menu/RC_HandTufted_ON.jpg";
			HandTufted_off.src = "images/menu/RC_HandTufted_OFF.jpg";

			AdvancedSearch_on = new Image ( );
			AdvancedSearch_off = new Image ( );

			AdvancedSearch_on.src = "images/menu/RC_AdvancedSearch_ON.jpg";
			AdvancedSearch_off.src = "images/menu/RC_AdvancedSearch_OFF.jpg";


  		AboutUs_on = new Image ( );
  		AboutUs_off = new Image ( );

  		AboutUs_on.src = "images/top_nav/AboutUs_ON.jpg";
  		AboutUs_off.src = "images/top_nav/AboutUs_OFF.jpg";

			/*About Us submenu items */

  			OurStory_on = new Image ( );
  			OurStory_off = new Image ( );

			OurStory_on.src = "images/menu/AU_OurStory_ON.jpg";
			OurStory_off.src = "images/menu/AU_OurStory_OFF.jpg";


  			GlobalAccount_on = new Image ( );
  			GlobalAccount_off = new Image ( );

			GlobalAccount_on.src = "images/menu/AU_GlobalAccount_ON.jpg";
			GlobalAccount_off.src = "images/menu/AU_GlobalAccount_OFF.jpg";


  			TheDetails_on = new Image ( );
  			TheDetails_off = new Image ( );

			TheDetails_on.src = "images/menu/AU_TheDetails_ON.jpg";
			TheDetails_off.src = "images/menu/AU_TheDetails_OFF.jpg";


  			TheDifference_on = new Image ( );
  			TheDifference_off = new Image ( );

			TheDifference_on.src = "images/menu/AU_TheDifference_ON.jpg";
			TheDifference_off.src = "images/menu/AU_TheDifference_OFF.jpg";


  		Services_on = new Image ( );
  		Services_off = new Image ( );

		Services_on.src = "images/top_nav/Services_ON.jpg";
		Services_off.src = "images/top_nav/Services_OFF.jpg";

		/* no sub menus for Services */


  		ToTheTrade_on = new Image ( );
  		ToTheTrade_off = new Image ( );

		ToTheTrade_on.src = "images/top_nav/ToTheTrade_ON.jpg";
		ToTheTrade_off.src = "images/top_nav/ToTheTrade_OFF.jpg";

			/* to the trade submenus */

  			Guarantee_on = new Image ( );
  			Guarantee_off = new Image ( );

			Guarantee_on.src = "images/menu/TTT_Guarantee_ON.jpg";
			Guarantee_off.src = "images/menu/TTT_Guarantee_OFF.jpg";


  			YourInventory_on = new Image ( );
  			YourInventory_off = new Image ( );

			YourInventory_on.src = "images/menu/TTT_YourInventory_ON.jpg";
			YourInventory_off.src = "images/menu/TTT_YourInventory_OFF.jpg";


  			GreenChoices_on = new Image ( );
  			GreenChoices_off = new Image ( );

			GreenChoices_on.src = "images/menu/TTT_GreenChoices_ON.jpg";
			GreenChoices_off.src = "images/menu/TTT_GreenChoices_OFF.jpg";


  			CustomDesign_on = new Image ( );
  			CustomDesign_off = new Image ( );

			CustomDesign_on.src = "images/menu/TTT_CustomDesign_ON.jpg";
			CustomDesign_off.src = "images/menu/TTT_CustomDesign_OFF.jpg";


  			ColorMatch_on = new Image ( );
  			ColorMatch_off = new Image ( );

			ColorMatch_on.src = "images/menu/TTT_ColorMatch_ON.jpg";
			ColorMatch_off.src = "images/menu/TTT_ColorMatch_OFF.jpg";


  			Testimonials_on = new Image ( );
  			Testimonials_off = new Image ( );

			Testimonials_on.src = "images/menu/TTT_Testimonials_ON.jpg";
			Testimonials_off.src = "images/menu/TTT_Testimonials_OFF.jpg";


  			ProjectGall_on = new Image ( );
  			ProjectGall_off = new Image ( );

			ProjectGall_on.src = "images/menu/TTT_ProjectGall_ON.jpg";
			ProjectGall_off.src = "images/menu/TTT_ProjectGall_OFF.jpg";


  		FAQ_on 	= new Image ( );
  		FAQ_off = new Image ( );

		FAQ_on.src = "images/top_nav/FAQ_ON.jpg";
		FAQ_off.src = "images/top_nav/FAQ_OFF.jpg";



  		ContactUs_on 	= new Image ( );
  		ContactUs_off 	= new Image ( );

		ContactUs_on.src = "images/top_nav/ContactUs_ON.jpg";
		ContactUs_off.src = "images/top_nav/ContactUs_OFF.jpg";

}

function button_on ( imgId )
{
  if ( document.images )
  {
    butOn = eval ( imgId + "_on.src" );
    document.getElementById(imgId).src = butOn;
  }
}

function button_off ( imgId )
{
  if ( document.images )
  {
    butOff = eval ( imgId + "_off.src" );
    document.getElementById(imgId).src = butOff;
  }
}