// JavaScript Document

// Cookie handling functions
function setCookie(c_name,value,expiredays)
	{
		var exdate=new Date();
		exdate.setDate(exdate.getDate()+expiredays);
		document.cookie=c_name+ "=" +escape(value)+
		((expiredays==null) ? "" : ";expires="+exdate.toUTCString());
	}

function 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 "";
}

// Handles the query string parsing
function Querystring(qs) {
	this.params = {};
	
	if (qs == null) qs = location.search.substring(1, location.search.length);
	if (qs.length == 0) return;

	qs = qs.replace(/\+/g, ' ');
	var args = qs.split('&');
	
	for (var i = 0; i < args.length; i++) {
		var pair = args[i].split('=');
		var name = decodeURIComponent(pair[0]);
		
		var value = (pair.length==2)
			? decodeURIComponent(pair[1])
			: name;
		
		this.params[name] = value;
	}
}

Querystring.prototype.get = function(key, default_) {
		var value = this.params[key];
		return (value != null) ? value : default_;
	}

Querystring.prototype.contains = function(key) {
		var value = this.params[key];
		return (value != null);
	}

var qs = new Querystring();
var keyID = qs.get('id','');
var keyWord = qs.get('keyword','');

// If this page has the ID querystring then set the cookie
if (keyID != '') {
		setCookie ('keyID', keyID, 365);
}

// If this page has the keyword querystring then set the cookie
if (keyWord != '') {
		setCookie ('keyWord', keyWord, 365);
}

// Redirect function
function urlRedirect (url) {
	
	var stURl = url.toLowerCase();
	stURl = stURl.replace("{id}", getCookie('keyID'));
	stURl = stURl.replace("{keyword}", getCookie('keyWord'));
	
	window.location = stURl;
}