function showHideLayerSwitch(layerName1, layerName2)
		{
			
		                if (eval(layerRef+'["'+layerName1+'"]'+styleSwitch+'.visibility=="visible"'))
				{
                        hideLayer(layerName1, layerName2);
				}
										
                else
				{
                        showLayer(layerName1, layerName2);
                }
		}			
					
        function showLayer(layerName1)
	{
				if (isNS4)
				{
   					elm = document.layers[layerName1];
				}
				else if (isIE4) 
				{
 		  			elm = document.all[layerName1];
				}
				else if (isIE5 || isNS6) 
				{
				   elm = document.getElementById(layerName1);
				}
				
				
				if (isIE5 || isIE4 || isNS6)
				{
				elm.style.visibility="visible";
				}
				else if (isNS4)
				{
				elm.visibility="visible";
				}
        }	
        
        function hideLayer(layerName1)
		{
				if (isNS4)
				{
   					elm = document.layers[layerName1];
				}
				else if (isIE4) 
				{
 		  			elm = document.all[layerName1];
				}
				else if (isIE5 || isNS6) 
				{
				   elm = document.getElementById(layerName1);
				}
				
				
				if (isIE5 || isIE4 || isNS6)
				{
				elm.style.visibility="hidden";
				}
				else if (isNS4)
				{
				elm.visibility="hidden";
				}
        }	
		
		function hideMenus()
		{
				hideLayer('Nav_Home_Menu');
				hideLayer('Nav_Soft_Menu');
				hideLayer('Nav_Soft2_Menu');
				hideLayer('Nav_CustProg_Menu');
				hideLayer('Nav_CustGUI_Menu');
				hideLayer('Nav_Acct_Menu');
				hideLayer('Nav_Shop_Menu');
		}
		
		function hideButtonsOver()
		{
				hideLayer('Nav_Home_Over');
				hideLayer('Nav_Soft_Over');
				hideLayer('Nav_Soft2_Over');
				hideLayer('Nav_CustProg_Over');
				hideLayer('Nav_CustGUI_Over');
				hideLayer('Nav_Acct_Over');
				hideLayer('Nav_Shop_Over');
				hideLayer('Nav_Info_Over');
				hideLayer('Nav_Cont_Over');
				hideLayer('Nav_Asso_Over');
				hideLayer('Nav_Lock_Over');
				hideLayer('Nav_Candy_Over');
				hideLayer('Nav_Graphic_Over');
				hideLayer('Nav_Test_Over');
				hideLayer('Nav_Brand_Over');
				hideLayer('Nav_Banners_Over');
				hideLayer('Nav_Support_Over');
		}

		function hideButtonsDown()
		{
				hideLayer('Nav_Home_Down');
				hideLayer('Nav_Soft_Down');
				hideLayer('Nav_Soft2_Down');
				hideLayer('Nav_CustProg_Down');
				hideLayer('Nav_CustGUI_Down');
				hideLayer('Nav_Acct_Down');
				hideLayer('Nav_Shop_Down');
				hideLayer('Nav_Info_Down');
				hideLayer('Nav_Cont_Down');
				hideLayer('Nav_Asso_Down');
				hideLayer('Nav_Lock_Down');
				hideLayer('Nav_Candy_Down');
				hideLayer('Nav_Banners_Down');
				hideLayer('Nav_Graphic_Down');
				hideLayer('Nav_Test_Down');
				hideLayer('Nav_Brand_Down');
				hideLayer('Nav_Support_Down');
		}