function subcat_display_change(level1, level2, items){
		for(k=1; k<=items;k++){
			var item_id= "sc_"+level1+ level2+k;
			//alert(item_id);
			var item = document.getElementById(item_id);
				//alert(item.style.display)
				if(item.style.display =='none'){
				item.style.display ='block';
				}
				else if(item.style.display =='block' ||item.style.display ==''){
					item.style.display ='none';
				}
				var sub_item = item_id+'_'+1;
				if(document.getElementById(sub_item)){
					var p =1;
					while(document.getElementById(item_id+'_'+p)){
							//alert(item_id+p);
							document.getElementById(item_id+'_'+p).style.display = 'none';
						
						p++;
					}
				}
		}
		
	}
	
	function subcat_display_change2(level1, level2,level3, items){
		for(k=1; k<=items;k++){
			var item_id= "sc_"+level1+ level2+ level3+'_'+k;
			//alert(item_id);
			var item = document.getElementById(item_id);
				//alert(item.style.display)
				if(item.style.display =='none'){
				item.style.display ='block';
				}
				else if(item.style.display =='block' ||item.style.display ==''){
					item.style.display ='none';
				}
		}		
	}