function closedisplays()
{ 

document.getElementById('categoryA1').style.display = "inline"; 
document.getElementById('categoryA2').style.display = "inline"; 
document.getElementById('categoryA3').style.display = "inline";

document.getElementById('categoryC1').style.display = "none"; 
document.getElementById('categoryC2').style.display = "none"; 
document.getElementById('categoryC3').style.display = "none";
document.getElementById('categoryC4').style.display = "none"; 

document.getElementById('categoryY1').style.display = "none";
document.getElementById('categoryY2').style.display = "none"; 
document.getElementById('categoryY3').style.display = "none";

document.getElementById('categoryZ1').style.display = "none";
document.getElementById('categoryZ2').style.display = "none"; 
document.getElementById('categoryZ3').style.display = "none"; 
document.getElementById('categoryZ4').style.display = "none"; 
document.getElementById('categoryZ5').style.display = "none"; 
document.getElementById('categoryZ6').style.display = "none"; 
document.getElementById('categoryZ7').style.display = "none"; 
document.getElementById('categoryZ8').style.display = "none"; 
document.getElementById('categoryZ9').style.display = "none"; 

}

function closedisplaysY()
{ 

document.getElementById('categoryA1').style.display = "none"; 
document.getElementById('categoryA2').style.display = "none"; 
document.getElementById('categoryA3').style.display = "none";

document.getElementById('categoryC1').style.display = "none"; 
document.getElementById('categoryC2').style.display = "none"; 
document.getElementById('categoryC3').style.display = "none";
document.getElementById('categoryC4').style.display = "none"; 

document.getElementById('categoryY1').style.display = "none";
document.getElementById('categoryY2').style.display = "none"; 
document.getElementById('categoryY3').style.display = "none";

document.getElementById('categoryZ1').style.display = "none";
document.getElementById('categoryZ2').style.display = "none"; 
document.getElementById('categoryZ3').style.display = "none"; 
document.getElementById('categoryZ4').style.display = "none"; 
document.getElementById('categoryZ5').style.display = "none"; 
document.getElementById('categoryZ6').style.display = "none"; 
document.getElementById('categoryZ7').style.display = "none"; 
document.getElementById('categoryZ8').style.display = "none"; 
document.getElementById('categoryZ9').style.display = "none"; 

}



	function changeDisplay(menuid)
	{
		var obj1, obj2, x
		
closedisplays()
		
		for (var x = 1; x <= 50; x++)
		{
				
		try
				{
					obj1=document.getElementById('' + menuid + x);				
					//obj2=document.getElementById('colb' + categoryid);	
					obj1.style.display=( (obj1.style.display =='') ? 'inline' : '');
					
					//obj2.style.visibility=( (obj2.style.visibility =='hidden') ? 'visible' : 'hidden');  
				}
	
				catch(e)
				{                     
					
				}            			
		}	
		
		
	
	}
	
	
	function changeDisplayY(menuid)
	{
		var obj1, obj2, x
		
closedisplaysY()
		
		for (var x = 1; x <= 50; x++)
		{
				
		try
				{
					obj1=document.getElementById('' + menuid + x);				
					//obj2=document.getElementById('colb' + categoryid);	
					obj1.style.display=( (obj1.style.display =='') ? 'inline' : '');
					
					//obj2.style.visibility=( (obj2.style.visibility =='hidden') ? 'visible' : 'hidden');  
				}
	
				catch(e)
				{                     
					
				}            			
		}	
		
		
	
	}