function initializeNav(Cell,Parent)
{
	var stDisplay = GetCookie(Cell)
	//var frmCell = eval(Cell)
	switch (stDisplay){
		case "NO":
		{
		document.getElementById(Cell).style.display = "none"
		document.getElementById(Parent).innerHTML = "<img border='0' src='images/plus.gif'>"
		}
		break
		case "YES":
		{
		document.getElementById(Cell).style.display = ""
		document.getElementById(Parent).innerHTML = "<img border='0' src='images/minus.gif'>"
		}
		break
			
	}
}

function ShowHide(Cell, Parent,name){
	switch (document.getElementById(Cell).style.display){
		case "":
		{
		document.getElementById(Cell).style.display = "none"
		DeleteCookie(Cell)
		SetCookie(name,"NO")
		document.getElementById(Parent).innerHTML = "<img border='0' src='images/plus.gif'>"
		}
		break
		case "none":
		{
		document.getElementById(Cell).style.display = ""
		DeleteCookie(name)
		SetCookie(name,"YES")
		document.getElementById(Parent).innerHTML = "<img border='0' src='images/minus.gif'>"
		}
		break
		default:
		document.getElementById(Cell).style.display = "none"
		DeleteCookie(name)
		SetCookie(name,"NO")				
	}
}
function DeleteCookie (name) {  
	var exp = new Date();  
	exp.setTime (exp.getTime() - 1);  
	var cval = GetCookie (name);  
	document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}

function SetCookie (name, value) { 
	var argv = SetCookie.arguments;  
	var argc = SetCookie.arguments.length;  
	var expires = (argc > 2) ? argv[2] : null;  
	var path = (argc > 3) ? argv[3] : null;  
	var domain = (argc > 4) ? argv[4] : null;  
	var secure = (argc > 5) ? argv[5] : false;  
	document.cookie = name + "=" + escape (value) + 
	((expires == null) ? "" : ("; expires=" + expires.toGMTString())) + 
	((path == null) ? "" : ("; path=" + path)) +  
	((domain == null) ? "" : ("; domain=" + domain)) +    
	((secure == true) ? "; secure" : "");
}
function getCookieVal (offset) {  
	var endstr = document.cookie.indexOf (";", offset);  
	if (endstr == -1)    
	endstr = document.cookie.length;  
	return unescape(document.cookie.substring(offset, endstr));
}

function GetCookie (name) {  
	var arg = name + "=";  
	var alen = arg.length;  
	var clen = document.cookie.length;  
	var i = 0;  
	while (i < clen) {    
	var j = i + alen;    
	if (document.cookie.substring(i, j) == arg)      
		return getCookieVal (j);    
		i = document.cookie.indexOf(" ", i) + 1;    
		if (i == 0) break;   
	}  
	return null;
}