var bV = parseInt(navigator.appVersion);

NS4 = (document.layers) ? true : false;
IE4 = ((document.all) && (bV >= 4)) ? true : false;
	
var newBrowser;
	
if (document.getElementById)
	newBrowser = true;
		
ver4 = (NS4 || IE4 || newBrowser) ? true : false;
	
//init function
function init_nav()
{
	if(!ver4)
		return;

	nav_top = 110;
	nextY = nav_top;
	
	//alert(getCookie("LIST%5FFL"));
	
	if(getCookie("LIST%5FFL") == "1")
		max = 9;
	else
		max = 8;
	
	for(i = 1; i < max; i++)
	{
		if(IE4 || bV >= 5)
		{
			child = document.getElementById("main" + i + "Child");			
			child.style.display = "none";
		}
		else
		{
			parnt = eval("document.main" + i + "Parent");
			child = eval("document.main" + i + "Child");
					
			parnt.pageY = nextY
			nextY += parnt.document.height;
				
			if (child.visibility != "hide") 
			{
				child.pageY = nextY;
				nextY += child.document.height;
			}	
		}
	}
		
	if(!IE4 && bV < 5)
		document.nav_bottom.pageY = nextY;
}

//expand menu function
function expand(el) 
{ 	
	if (!ver4) 
		return;  
			
	if(IE4 || bV >= 5)
	{
		whichEl = document.getElementById(el + "Child");			
		whichImg = eval("document." + el);
	}
	else
	{
		whichEl = eval("document." + el + "Child");
		whichImg = eval("document." + el + "Parent.document.images['" + el + "']");
	}
	
	if(getCookie("LIST%5FFL") == "1")
		max = 9;
	else
		max = 8;
			
	for(i = 1; i < max; i++)
	{
		if(IE4 || bV >= 5)
		{
			if(el == "main" + i)
			{
				if (whichEl.style.display == "none") 
				{
					whichEl.style.display = "block"; 
					
					if(i < max - 1)
						whichImg.src = "/images/interior/rineco_ext_int_neg.gif";		
				}
				else 
				{		
					whichEl.style.display = "none"; 
					
					if(i < max - 1)
						whichImg.src = "/images/interior/rineco_ext_int_pos.gif";	
				}		
			}
			else
			{
				if(i < max - 1)
				{
					img = eval("document.main" + i);
					img.src = "/images/interior/rineco_ext_int_pos.gif";
				}
			
				div = document.getElementById("main" + i + "Child");				
				div.style.display = "none";
			}
		}
		else
		{
			if(el == "main" + i)
			{
				if (whichEl.visibility == "hide") 
				{
					whichEl.visibility = "show";
					
					if(i < max - 1)
						whichImg.src = "/images/interior/rineco_ext_int_neg.gif";
				}
				else 
				{		
					whichEl.visibility = "hide"
					
					if(i < max - 1)
						whichImg.src = "/images/interior/rineco_ext_int_pos.gif";	
				}		
			}
			else
			{
				if(i < max - 1)
				{
					img = eval("document.main" + i + "Parent.document.images['main" + i + "']");
					img.src = "/images/interior/rineco_ext_int_pos.gif";
				}
			
				div = eval("document.main" + i + "Child");
				div.visibility = "hide";
			}
		}
	}
		
	if(!IE4 && bV < 5)
		init_nav();
}

function getCookie(Name) 
{
	var search = Name + "="
	
	if (document.cookie.length > 0) 
	{ 
		offset = document.cookie.indexOf(search) 
		
		if (offset != -1) 
		{ 
			offset += search.length 
			end = document.cookie.indexOf("&", offset) 
			
			if (end == -1) 
				end = document.cookie.length
				
			return unescape(document.cookie.substring(offset, end))
		} 
	}
}