var QUOTES_NUMBER = 32;

 function load_page(html, params)

 {

 	if (params != "")

 		html += "?";	

 	window.location = html + params;	

 	//window.location.reload();

 }

 function google_an1()

 {

     var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");

     document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));    

 }

 function google_an2()

 {

     var pageTracker = _gat._getTracker("UA-2137333-1");

     pageTracker._initData();

     pageTracker._trackPageview();

 }

 function google_an()

 {	    

 	google_an1();

 	if (typeof(_gat) == "object")

 	    google_an2();	

 }

 function http_request_object()

 {

     var xmlHttpObject = null;

     if (typeof(XMLHttpRequest) != "undefined") 

     {

         xmlHttpObject = new XMLHttpRequest();

     }

     //For IE6 and IE5

     if (xmlHttpObject == null) 

     {

         try 

         {

             xmlHttpObject = new ActiveXObject("Microsoft.XMLHTTP");

         }   

         catch(e) 

         {

             try 

             {

                 xmlHttpObject = new ActiveXObject("Msxml2.XMLHTTP");

             }

             catch(e) 

             {

                 xmlHttpObject = null;

             }

         }

     }

     return xmlHttpObject;

 }

 function load_header(current)

 {

     var file;

 	if (current == "home")

         file = "/homenav.html";

     else if (current == "resume")

         file = "/resumenav.html";

     else if (current == "howiwork")

         file = "/howiworknav.html";

     else if (current == "personalwork")

         file = "/personalworknav.html";

     else if (current == "tutorials")

         file = "/tutorialsnav.html";

     else if (current == "contact")

         file = "/contactnav.html";

 	var currentFile = self.location.hostname + self.location.pathname;		

 	var request = http_request_object();

 	var url  = "http://" + self.location.hostname + file;

 	request.open("GET", url, false);

 	request.setRequestHeader("User-Agent", navigator.userAgent);

 	request.send(null)

 	// if (oRequest.status == 200) alert(oRequest.responseText);

 	// else alert("Error executing XMLHttpRequest call!");	

 	//document.write(url);

     document.getElementById('header').innerHTML = request.responseText;

     //document.write(request.responseText);

     //alert(request.responseText);

 }

 function load_sidebar()

 {

     var file = "/sidebar.html";

 	var currentFile = self.location.hostname + self.location.pathname;		

 	var request = http_request_object();

 	var url  = "http://" + self.location.hostname + file;	

 	request.open("GET", url, false);

 	request.setRequestHeader("User-Agent", navigator.userAgent);

 	request.send(null)

 	// if (oRequest.status == 200) alert(oRequest.responseText);

 	// else alert("Error executing XMLHttpRequest call!");	

 	//document.write(url);

 	//document.write(request.responseText);

     document.getElementById('sidebar').innerHTML = request.responseText;

 }

 function load_random_quote()

 {   

    var file = "/quotes/quote" + Math.floor(Math.random() * QUOTES_NUMBER + 1) + ".html";

 	var currentFile = self.location.hostname + self.location.pathname;		

 	var request = http_request_object();

 	var url  = "http://" + self.location.hostname + file;	

 	request.open("GET", url, false);

 	request.setRequestHeader("User-Agent", navigator.userAgent);

 	request.send(null)

 	// if (oRequest.status == 200) alert(oRequest.responseText);

 	// else alert("Error executing XMLHttpRequest call!");	

 	//document.write(url);

 	//document.write(request.responseText);

     document.getElementById('random_quote').innerHTML = request.responseText;

 }

 function load_footer()

 {

 	var file = "/footer.html";

 	var currentFile = self.location.hostname + self.location.pathname;		

 	var request = http_request_object();

 	var url  = "http://" + self.location.hostname + file;	

 	request.open("GET", url, false);

 	request.setRequestHeader("User-Agent", navigator.userAgent);

 	request.send(null)

 	// if (oRequest.status == 200) alert(oRequest.responseText);

 	// else alert("Error executing XMLHttpRequest call!");	

 	//document.write(url);

 	//document.write(request.responseText);

     document.getElementById('footer').innerHTML = request.responseText;

 }

 // Mandelbrot functions

 function Complex(real, imag) 

 {

 	this.real = real;

 	this.imag = imag;

 }

 var MIN_C = new Complex(-2.2, -1.4);

 var MAX_C = new Complex(1.0, 1.4);

 var min_c = MIN_C;

 var max_c = MAX_C;

 var max_iter = 100;

 var zoom = 1.0;

 var resolution = 3;

 var bailout = 4.0;

 function Result(z, iter) 

 {

 	this.z = z;

 	this.iter = iter;

 }

 function complex_quad(c)

 {

 	return new Complex(Math.pow(c.real, 2) - Math.pow(c.imag, 2), 

 		2.0 * c.real * c.imag);

 }

 function complex_quad_value(c)

 {

 	return Math.pow(c.real, 2) + Math.pow(c.imag, 2);

 }

 function complex_add(c1, c2)

 {

 	return new Complex(c1.real + c2.real, c1.imag + c2.imag);

 }

 function complex_equal(c1, c2)

 {	

 	return (c1.real == c2.real) && (c1.imag == c2.imag);

 }

 function iterate(z, c) 

 {

 	z_quad = complex_quad(z);

 	return new Complex(z_quad.real + c.real, z_quad.imag + c.imag);

 }

 function test(c, max_iter) 

 {

 	var iter = 0;

 	var z = new Complex(0.0, 0.0);

 	var last_z = new Complex(-1.0, 0.0);

 	var quad_z = complex_quad_value(z);

 	while (iter < max_iter

 		&& !complex_equal(z, last_z)

 		&& quad_z <= bailout)

 	{

 		last_z = z;

 		z = iterate(z, c);

 		quad_z = complex_quad_value(z);

 		iter++;

 	}

 	return new Result(quad_z, iter);

 }

 function draw(iter, dx, dy, dz, dres)

 {  

 	var canvas = document.getElementById('mandelbrot'); 

 	if (canvas.getContext)

 	{  

 		zoom += dz;

 		var ctx = canvas.getContext('2d');

 		if (dres != 0)

 		{		

 			resolution = Math.max(1, resolution + dres);

 		}

 		var width = canvas.width;

 		var height = canvas.height;

 		var dim = Math.max(width, height);

 		var dim_ratio = Math.round(width / height);	

 		var diff_c = new Complex(max_c.real - min_c.real,

 			max_c.imag - min_c.imag);

 		dx_min = diff_c.real / 100 * (dx + dz);

 		dx_max = diff_c.real / 100 * (dx - dz);

 		dy_min = diff_c.imag / 100 * (dy + dz);

 		dy_max = diff_c.imag / 100 * (dy - dz);

 		var min_inc = new Complex(dx_min * dim_ratio / 2.0, dy_min);

 		var max_inc = new Complex(dx_max * dim_ratio / 2.0, dy_max);

 		min_c = complex_add(min_c, min_inc);

 		max_c = complex_add(max_c, max_inc);

 		max_iter += iter;

 		diff_c = new Complex(max_c.real - min_c.real,

 			max_c.imag - min_c.imag);

 		for (var y = 0; y < height; y += resolution) 

 		{

 			for (var x = 0; x < width; x += resolution) 

 			{    			

 				var c = new Complex(min_c.real + diff_c.real / dim * x, 

 					min_c.imag + diff_c.imag / dim * y);  	

 			 	var result = test(c, max_iter);	

 		 		var r = Math.min(255, Math.pow(Math.max(0, 

 		 			(result.iter - max_iter / 20.0)), 2));

 				var g = Math.min(255, Math.pow(Math.max(0, 

 					(result.iter - max_iter / 25.0)), 2));			

 		 		var b = Math.min(255, Math.pow(Math.max(0, 

 					(result.iter - max_iter / 20.0)), 2));

 		 		var colour = r + "," + g + "," + b;

 		 		ctx.fillStyle = "rgb(" + colour + ")"; 

 				ctx.fillRect(x, y, resolution, resolution);				 

 			}

   		}

 	}  

 }