function deleteCookie(Name){
var CookieValue;
var ExpirationDate;

ExpirationDate = new Date();
ExpirationDate.setTime (ExpirationDate.getTime() - 1);

/* Make Sure Cookie Exists First */
CookieValue = getCookie(Name);
if (CookieValue != null) setCookie(Name, "", ExpirationDate, "/");
}	
function setCookie(Name, Value){
	var ArgumentCount;
	var ArgumentValues;
	var Domain;
	var Expires;
	var Path;
	var Secure;
	
	ArgumentValues = setCookie.arguments;
	ArgumentCount = setCookie.arguments.length;
	
	Expires = (ArgumentCount > 2) ? ArgumentValues[2] : null;
	Path = (ArgumentCount > 3) ? ArgumentValues[3] : null;
	Domain = (ArgumentCount > 4) ? ArgumentValues[4] : null;
	Secure = (ArgumentCount > 5) ? ArgumentValues[5] : false;
	
	document.cookie = Name + "=" + escape (Value) +
	((Expires == null) ? "" : ("; expires=" + Expires.toGMTString())) +
	((Path == null) ? "" : ("; path=" + Path)) +
	((Domain == null) ? "" : ("; domain=" + Domain)) +
	((Secure == true) ? "; secure" : "");
}


function getCookie(Name){
var Argument;
var ArgumetLength;
var CookieLength;
var EndString;
var i;
var j;

Argument = Name + "=";
ArgumentLength = Argument.length;
CookieLength = document.cookie.length;
i = 0;
while (i < CookieLength){
j = i + ArgumentLength;
if (document.cookie.substring(i, j) == Argument){
EndString = document.cookie.indexOf (";", j);
if (EndString == -1) 
EndString = document.cookie.length;
return unescape(document.cookie.substring(j, EndString));
}
i = document.cookie.indexOf(" ", i) + 1;
if (i == 0)
break;
}
return (null);
}