var openState = false;
	var openItem = 0;
	var numItem = 5;
	
	function setItems(num)
	{
	numItem = num;
	}
	
	function maintainState(ssp)
	{ 
	    if(numItem == 3)
	    { 
	    if(ssp == "motoroil")
		    {			
			    document.getElementById("submenu1").style.display = "block";
			    openItem = 1;
			    openState = true;	
		    }
		    else if(ssp == "dieseloil")
		    {
			    document.getElementById("submenu2").style.display = "block";
			    openItem = 2;
			    openState = true;	
		    } 
		    else if(ssp == "ancillary")
		    {			
			    document.getElementById("submenu3").style.display = "block";
			    openItem = 3;
			    openState = true;	
		    }
	    
	    }
	    else if(numItem == 4)
	    {
		    if(ssp == "motoroil")
		    {			
			    document.getElementById("submenu1").style.display = "block";
			    openItem = 1;
			    openState = true;	
		    }
		    else if(ssp == "dieseloil")
		    {			
			    document.getElementById("submenu2").style.display = "block";
			    openItem = 2;
			    openState = true;	
		    } 
		    else if(ssp == "ancillary")
		    {			
			    document.getElementById("submenu3").style.display = "block";
			    openItem = 3;
			    openState = true;	
		    }	    
		    else if(ssp == "transmission")
		    {			
			    document.getElementById("submenu4").style.display = "block";
			    openItem = 4;
			    openState = true;	
		    }		    
	    }
	    else
	    {
		    if(ssp == "motoroil")
		    {			
			    document.getElementById("submenu1").style.display = "block";
			    openItem = 1;
			    openState = true;	
		    }
		    else if(ssp == "dieseloil")
		    {			
			    document.getElementById("submenu2").style.display = "block";
			    openItem = 2;
			    openState = true;	
		    }
		     else if(ssp == "ancillary")
		    {			
			    document.getElementById("submenu3").style.display = "block";
			    openItem = 3;
			    openState = true;	
		    } 
		    else if(ssp == "transmission")
		    {			
			    document.getElementById("submenu4").style.display = "block";
			    openItem = 4;
			    openState = true;	
		    }
		    else if(ssp == "gearoil")
		    {			
			    document.getElementById("submenu5").style.display = "block";
			    openItem = 5;
			    openState = true;	
		    }
		   
        }
	}
	
	function openSub(number, numItems)
	{
		if (openState == false)
		{ 
			
				
				document.getElementById("submenu" + number).style.display = "block";
				openState = true;
				openItem = number;
		}
		else
		{
			if(openItem == number)
			{
				document.getElementById("submenu" + openItem).style.display = "none";
				openState = false;
			}
			else
			{
			    var numNav;
			    numNav = numItems + 1;
				for(i=1; i<numNav; i++)
				{
					document.getElementById("submenu" + i).style.display = "none";
				}
				document.getElementById("submenu" + number).style.display = "block";
				openState = true;
				openItem = number;
			}
			
		}
		numItem = numItems;
	}