var expDays = 1000;
var exp = new Date(); 
exp.setTime(exp.getTime() + (expDays*24*60*60*1000));
var ShowCount = 0;
var SwapColour;

function ListToDoItems()
{
	var NumToDoItems = GetCookie('PT_NumToDoList');
	var i;
	var ToDoItem;

	if (NumToDoItems == null) 
	{
		NumToDoItems = 0;
	}
	ShowCount = 0; SwapColour = 0;
 
	for (i=1; i <= NumToDoItems; i++)
	{
		ToDoItem = GetCookie('PT_ToDoItem'+i);
		if (ToDoItem != null)
		{
			PrintItem(ToDoItem, i);
		}
	}
}

function DeleteItem(Count)
{
	DeleteCookie('PT_ToDoItem'+Count);
	window.location = window.location;
}

function PrintItem (ToDoItem, Count)
{
	var color = "";

	SwapColour = 1 - SwapColour;
	if (SwapColour==1) {color = "bgcolor='#EFEFEF'"} ;	

	ShowCount++;
	document.write("<tr " + color + ">");
	document.write("<td width=10% align=center valign=top bgcolor=#F8E0EE><small><b>"+ShowCount);
	document.write("<td width=60% align=left bgcolor=#F8E0EE><small>"+ToDoItem);
	document.write("<td width=15% align=center bgcolor=#F8E0EE><small>"+"<a class=aff href='javascript:EditItem(" + ShowCount + "," + Count + ")'>Edit</a>");
	document.write("<td width=15% align=center bgcolor=#F8E0EE><small>"+"<a class=aff href='javascript:DeleteItem(" + Count + ")'>Delete</a>");
}

function AddItem()
{
	var NumToDoItems = GetCookie('PT_NumToDoList');
	var i;
	var ToDoItem;

	if (NumToDoItems == null) 
	{
		NumToDoItems = 0;
	}
	ToDoItem = prompt("Enter new item");
	if ((ToDoItem != null) && (ToDoItem != "undefined" ))
	{
		NumToDoItems++;
		SetCookie('PT_ToDoItem'+NumToDoItems, ToDoItem, exp);
		SetCookie('PT_NumToDoList',NumToDoItems, exp);
		window.location = window.location;
	}
}

function EditItem(Display,Count)
{
	var i;
	var ToDoItem = GetCookie('PT_ToDoItem'+Count);
	var ToDoItem2;

	ToDoItem2 = prompt("Edit item #"+Display, ToDoItem);
	if ((ToDoItem2 != null) && (ToDoItem2 != "undefined" ))
	{
		SetCookie('PT_ToDoItem'+Count, ToDoItem2, exp);
		window.location = window.location;
	}
}

function set(){
VisitorName = prompt("Who are you?");
SetCookie ('VisitorName', VisitorName, exp);
SetCookie ('WWHCount', 0, exp);
SetCookie ('WWhenH', 0, exp);
}

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;
}

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 DeleteCookie (name) {  
var exp = new Date();  
exp.setTime (exp.getTime() - 1);  
var cval = GetCookie (name);  
document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}