/*
 * Baynote Observer for www.resourcesunlimited.com
 * Last updated: April 21, 2009
 */

//Baynote prefix and suffix for custom window.name
var bn_window_param_start = "unb~ru~[";
var bn_window_param_end = "]~";
var bn_location_href = window.location.href;
var window_name = window.name;

function bn_isNotEmpty(name) {
	return (name != null) && (name != "");
}

//Check if a variable is null or is an empty string
function bn_isNotEmpty(name) {
	return (name != null) && (name != "");
}

function bn_getOrderInfo() {
	if (typeof(bnOrderId) != "undefined" && bn_isNotEmpty(bnOrderId))
		baynote_tag.attrs.purchaseId = bnOrderId;
	if (typeof(bnOrderTotal) != "undefined" && bn_isNotEmpty(bnOrderTotal))
		baynote_tag.attrs.totalPurchases = parseFloat(bnOrderTotal);
	if (typeof(bnOrderDetails) != "undefined" && bn_isNotEmpty(bnOrderDetails))
		baynote_tag.attrs.purchaseDetails = bnOrderDetails;
}


//Set value for cookie c_name
function bn_setCookie(c_name,value,expiredays) {
	var exdate=new Date();
	exdate.setDate(exdate.getDate()+expiredays);
	document.cookie=c_name+ "=" +escape(value)+ ";path=/" +
		((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}

//Get the value of cookie c_name
function bn_getCookie(c_name) {
	if (document.cookie.length>0) {
		c_start=document.cookie.indexOf(c_name + "=");
		if (c_start!=-1) { 
			c_start=c_start + c_name.length+1;
			c_end=document.cookie.indexOf(";",c_start);
			if (c_end==-1) c_end=document.cookie.length
				return unescape(document.cookie.substring(c_start,c_end));
		}
	}
	return "";
}

//Set window.name
function bn_setWU(bn_iter) {
	var bn_iter_limit = 5;
	if(typeof(bn_iter) != 'undefined' && bn_iter > bn_iter_limit) { return; }
	var bn_u_val = bn_getCookie('bn_u');
	if(bn_isNotEmpty(bn_u_val)) {
		window.name = bn_window_param_start + bn_u_val + bn_window_param_end;
	} else {
		if(typeof(bn_iter) != 'undefined' && bn_iter > 0)
			setTimeout("bn_setWU("+(bn_iter+1)+");",500);
		else
			setTimeout("bn_setWU("+1+");",500);
	}
}

//Get the window name and set bn_u cookie
function bn_getWU() {

	
	var bn_u_cookieval = bn_getCookie('bn_u');
	var start_idx = bn_window_param_start.length;
	var end_idx = window_name.indexOf(bn_window_param_end);
	
	if(end_idx > start_idx && end_idx < window_name.length) {
		var bn_u_val = window_name.substring(start_idx, end_idx);
		if(bn_isNotEmpty(bn_u_val)) {
			bn_setCookie('bn_u',bn_u_val,365*3);
		} else {
			bn_setCookie('bn_u',4,365*3);
		}
	}
}

function bn_showObserver() {
	/* 1. set customer id */
	bn_customerId = "resourcesunlimited";
	/* 2. set customer code */
	bn_code = "www";
	var bn_locHref = window.location.href;
	if (bn_locHref.indexOf("https://") == 0) {
		baynote_tag.server = "https://" + bn_customerId + "-" + bn_code + ".baynote.net";
	} else {
		baynote_tag.server = "http://" + bn_customerId + "-" + bn_code + ".baynote.net";
	}
	baynote_tag.customerId = bn_customerId;
	baynote_tag.code = bn_code;
	baynote_tag.type = "baynoteObserver";

	/* 4. collect purchase info (optional) */ 
	bn_getOrderInfo();
	baynote_tag.show();
}

if (typeof(baynote_tag)!="undefined") {
	if (bn_isNotEmpty(window_name) && window_name.indexOf(bn_window_param_start) == 0) {
		bn_getWU();
		bn_showObserver();
	} 
	else {
		bn_showObserver();
		bn_setWU();
	}
}