/***********************************/

/* Code by Joseph Taylor in 2006   */

/* joekarma@gmail.com              */

/***********************************/



//

// Edit this!  This is the url at which

// the "rotated" directory is located.

//

// Note that it must be *your* server -

// external urls aren't allowed in most

// browsers for security reasons.



BASE_HREF = "http://"+window.location.hostname;





//

// Global variables

//



categories = window['categories'] ? categories : "";

categories += getDefaultCategory();



//

// Program Core

//



function RandomFileGetter() {

	var me = this; // Variable scope fix

	

	this.http = null;

	this.http2 = null;

	this.file = null;

	this.updateDiv = $('myOutputText');

	this.baseDir = BASE_HREF;

	

	this.assemblehttp = function() {

		try {

			this.http = new XMLHttpRequest();

			this.http2 = new XMLHttpRequest();

		} catch (e) {

			try {

				this.http = new ActiveXObject("Microsoft.XMLHTTP");

				this.http2 = new ActiveXObject("Microsoft.XMLHTTP");

			} catch (e) {

				try {

					this.http = new ActiveXObject("Msxml2.XMLHTTP");

					this.http2 = new ActiveXObject("Msxml2.XMLHTTP");

				} catch (e) {

					return false;

				}

			}

		}

		

		me.http.onreadystatechange = function() {

			if (me.http.readyState == 4) {

				if (me.http.status == 200) {

					me.getRandomPage(me.http.responseText);

				}

			}

		}

		

		me.http2.onreadystatechange = function() {

			if (me.http2.readyState == 4) {

				if (me.http2.status == 200) {

					me.updateDiv.innerHTML = me.http2.responseText;

				}

			}

		}

		

		return true;

	}

	

	this.getRandomPage = function(t) {

		this.file = t.ultratrim();

		try {

			me.http2.open("GET", me.baseDir + "/rotate/" + me.file, true);

			me.http2.send(null);

		} catch (e) {}

	}

	

	this.getRandomFile = function() {

		try {

			this.http.open("GET", me.baseDir + "/rotate/glob.php?categories=" + escape(categories), true);

			this.http.send(null);

		} catch (e) {}

	}

}



function getDefaultCategory() {

		return "";

}



//

// Utility Functions and Extensions

//



function $(id) {

	return typeof id == "string" ? document.getElementById(id) : id;

}



Array.prototype.random = function() {

	return this[Math.floor(Math.random() * this.length)];

}



String.prototype.ultratrim = function() {

	var s = this;

	while (s.charAt(0).match(new RegExp("\\s"))) s = s.substring(1, s.length);

	while (s.charAt(s.length - 1).match(new RegExp("\\s"))) s = s.substring(0, s.length - 1);

	return s;

}



//

// Execution

//



var fg1 = new RandomFileGetter();

if (fg1.assemblehttp()) {

	fg1.getRandomFile();

}