//// if an affiliate was given in the url, put it in the cookie
var affiliate;
currentUrl = new URL(document.location.href);
arguments = currentUrl.getArgumentValues();
for (i = 0; i < arguments.length; ++i) {
	if (arguments[i][0].toLowerCase() == 'affiliate') {
		affiliate = arguments[i][1];
	}
}
//alert(GetCookie('affiliate'));
if (affiliate) {
	SetCookie('affiliate', affiliate, new Date("January 1, 2038 00:00:00"));
}

// URL parser
function URL(url){
	if(url.length==0) eval('throw "Invalid URL ['+url+'];');
	this.url=url;
	this.port=-1;
	this.query=(this.url.indexOf('?')>=0)?this.url.substring(this.url.indexOf('?')+1):'';
	if(this.query.indexOf('#')>=0) this.query=this.query.substring(0,this.query.indexOf('#'));
	this.protocol='';
	this.host='';
	var protocolSepIndex=this.url.indexOf('://');
	if(protocolSepIndex>=0){
		this.protocol=this.url.substring(0,protocolSepIndex).toLowerCase();
		this.host=this.url.substring(protocolSepIndex+3);
		if(this.host.indexOf('/')>=0) this.host=this.host.substring(0,this.host.indexOf('/'));
		var atIndex=this.host.indexOf('@');
		if(atIndex>=0){
			var credentials=this.host.substring(0,atIndex);
			var colonIndex=credentials.indexOf(':');
			if(colonIndex>=0){
				this.username=credentials.substring(0,colonIndex);
				this.password=credentials.substring(colonIndex);
			}else{
				this.username=credentials;
			}
			this.host=this.host.substring(atIndex+1);
		}
		var portColonIndex=this.host.indexOf(':');
		if(portColonIndex>=0){
			this.port=this.host.substring(portColonIndex);
			this.host=this.host.substring(0,portColonIndex);
		}
		this.file=this.url.substring(protocolSepIndex+3);
		this.file=this.file.substring(this.file.indexOf('/'));
	}else{
		this.file=this.url;
	}
	if(this.file.indexOf('?')>=0) this.file=this.file.substring(0, this.file.indexOf('?'));
	var refSepIndex=url.indexOf('#');
	if(refSepIndex>=0){
		this.file=this.file.substring(0,refSepIndex);
		this.reference=this.url.substring(this.url.indexOf('#'));
	}else{
		this.reference='';
	}
	this.path=this.file;
	if(this.query.length>0) this.file+='?'+this.query;
	if(this.reference.length>0) this.file+='#'+this.reference;

	this.getPort=getPort;
	this.getQuery=getQuery;
	this.getProtocol=getProtocol;
	this.getHost=getHost;
	this.getUserName=getUserName;
	this.getPassword=getPassword;
	this.getFile=getFile;
	this.getReference=getReference;
	this.getPath=getPath;
	this.getArgumentValue=getArgumentValue;
	this.getArgumentValues=getArgumentValues;
	this.toString=toString;

	/* Returns the port part of this URL, i.e. '8080' in the url 'http://server:8080/' */
	function getPort(){
		return this.port;
	}

	/* Returns the query part of this URL, i.e. 'Open' in the url 'http://server/?Open' */
	function getQuery(){
		return this.query;
	}

	/* Returns the protocol of this URL, i.e. 'http' in the url 'http://server/' */
	function getProtocol(){
		return this.protocol;
	}

	/* Returns the host name of this URL, i.e. 'server.com' in the url 'http://server.com/' */
	function getHost(){
		return this.host;
	}

	/* Returns the user name part of this URL, i.e. 'joe' in the url 'http://joe@server.com/' */
	function getUserName(){
		return this.username;
	}

	/* Returns the password part of this url, i.e. 'secret' in the url 'http://joe:secret@server.com/' */
	function getPassword(){
		return this.password;
	}

	/* Returns the file part of this url, i.e. everything after the host name. */
	function getFile(){
		return this.file;
	}

	/* Returns the reference of this url, i.e. 'bookmark' in the url 'http://server/file.html#bookmark' */
	function getReference(){
		return this.reference;
	}

	/* Returns the file path of this url, i.e. '/dir/file.html' in the url 'http://server/dir/file.html' */
	function getPath(){
		return this.path;
	}

	/* Returns the FIRST matching value to the specified key in the query.
	   If the url has a non-value argument, like 'Open' in '?Open&bla=12', this method
	   returns the same as the key: 'Open'...
	   The url must be correctly encoded, ampersands must encoded as &amp;
	   I.e. returns 'value' if the key is 'key' in the url 'http://server/?Open&amp;key=value' */
	function getArgumentValue(key){
		var a=this.getArgumentValues();
		if(a.length<1) return '';
		for(i=0;i<a.length;i++){
			if(a[i][0]==key) return a[i][1];
		}
		return '';
	}

	/* Returns all key / value pairs in the query as a two dimensional array */
	function getArgumentValues(){
		var a=new Array();
		var b=this.query.split('&');
		var c='';
		if(b.length<1) return a;
		for(i=0;i<b.length;i++){
			c=b[i].split('=');
			a[i]=new Array(c[0],((c.length==1)?c[0]:c[1]));
		}
		return a;
	}

	/* Returns a String representation of this url */
	function toString(){
		return this.url;
	}
}

//// cookie handlers
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 getCookieVal(offset) {
	var endstr = document.cookie.indexOf (";", offset);
	if (endstr == -1) {
		endstr = document.cookie.length;
	}
	return unescape(document.cookie.substring(offset, endstr));
}

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();
}