sawine@61: var QUOTES_NUMBER = 39;
sawine@0: 
sawine@0: function load_page(html, params)
sawine@0: {
sawine@0: 	if (params != "")
sawine@0: 		html += "?";	
sawine@0: 	window.location = html + params;	
sawine@0: 	//window.location.reload();
sawine@0: }
sawine@0: 
sawine@0: function google_an1()
sawine@0: {
sawine@0:     var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");
sawine@0:     document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));    
sawine@0: }
sawine@0: 
sawine@0: function google_an2()
sawine@0: {
sawine@0:     var pageTracker = _gat._getTracker("UA-2137333-1");
sawine@0:     pageTracker._initData();
sawine@0:     pageTracker._trackPageview();
sawine@0: }
sawine@0: 
sawine@0: function google_an()
sawine@0: {	    
sawine@0: 	google_an1();
sawine@0: 	if (typeof(_gat) == "object")
sawine@0: 	    google_an2();	
sawine@0: }
sawine@0: 
sawine@0: function http_request_object()
sawine@0: {
sawine@0:     var xmlHttpObject = null;
sawine@0:     
sawine@0:     if (typeof(XMLHttpRequest) != "undefined") 
sawine@0:     {
sawine@0:         xmlHttpObject = new XMLHttpRequest();
sawine@0:     }
sawine@0:     
sawine@0:     //For IE6 and IE5
sawine@0:     if (xmlHttpObject == null) 
sawine@0:     {
sawine@0:         try 
sawine@0:         {
sawine@0:             xmlHttpObject = new ActiveXObject("Microsoft.XMLHTTP");
sawine@0:         }   
sawine@0:         catch(e) 
sawine@0:         {
sawine@0:             try 
sawine@0:             {
sawine@0:                 xmlHttpObject = new ActiveXObject("Msxml2.XMLHTTP");
sawine@0:             }
sawine@0:             catch(e) 
sawine@0:             {
sawine@0:                 xmlHttpObject = null;
sawine@0:             }
sawine@0:         }
sawine@0:     }
sawine@0:     return xmlHttpObject;
sawine@0: }
sawine@0: 
sawine@0: function load_header(current)
sawine@0: {
sawine@0:     var file;
sawine@0: 	if (current == "home")
sawine@0:         file = "/homenav.html";
sawine@0:     else if (current == "resume")
sawine@0:         file = "/resumenav.html";
sawine@0:     else if (current == "howiwork")
sawine@0:         file = "/howiworknav.html";
sawine@0:     else if (current == "personalwork")
sawine@0:         file = "/personalworknav.html";
sawine@0:     else if (current == "tutorials")
sawine@0:         file = "/tutorialsnav.html";
sawine@0:     else if (current == "contact")
sawine@0:         file = "/contactnav.html";
sawine@0: 	
sawine@0: 	var currentFile = self.location.hostname + self.location.pathname;		
sawine@0: 	var request = http_request_object();
sawine@0: 	var url  = "http://" + self.location.hostname + file;
sawine@0: 	request.open("GET", url, false);
sawine@0: 	request.setRequestHeader("User-Agent", navigator.userAgent);
sawine@0: 	request.send(null)
sawine@0: 	// if (oRequest.status == 200) alert(oRequest.responseText);
sawine@0: 	// else alert("Error executing XMLHttpRequest call!");	
sawine@0: 	//document.write(url);
sawine@0:     document.getElementById('header').innerHTML = request.responseText;
sawine@0:     //document.write(request.responseText);
sawine@0:     
sawine@0:     //alert(request.responseText);
sawine@0: }
sawine@0: 
sawine@0: function load_sidebar()
sawine@0: {
sawine@0:     var file = "/sidebar.html";
sawine@0: 	var currentFile = self.location.hostname + self.location.pathname;		
sawine@0: 	var request = http_request_object();
sawine@0: 	var url  = "http://" + self.location.hostname + file;	
sawine@0: 	request.open("GET", url, false);
sawine@0: 	request.setRequestHeader("User-Agent", navigator.userAgent);
sawine@0: 	request.send(null)
sawine@0: 	// if (oRequest.status == 200) alert(oRequest.responseText);
sawine@0: 	// else alert("Error executing XMLHttpRequest call!");	
sawine@0: 	//document.write(url);
sawine@0: 	//document.write(request.responseText);
sawine@0:     document.getElementById('sidebar').innerHTML = request.responseText;
sawine@0: }
sawine@0: 
sawine@0: function load_random_quote()
sawine@0: {   
sawine@0:    var file = "/quotes/quote" + Math.floor(Math.random() * QUOTES_NUMBER + 1) + ".html";
sawine@0: 	var currentFile = self.location.hostname + self.location.pathname;		
sawine@0: 	var request = http_request_object();
sawine@0: 	var url  = "http://" + self.location.hostname + file;	
sawine@0: 	request.open("GET", url, false);
sawine@0: 	request.setRequestHeader("User-Agent", navigator.userAgent);
sawine@0: 	request.send(null)
sawine@52: 	
sawine@0: 	// if (oRequest.status == 200) alert(oRequest.responseText);
sawine@0: 	// else alert("Error executing XMLHttpRequest call!");	
sawine@0: 	//document.write(url);
sawine@0: 	//document.write(request.responseText);
sawine@0:     document.getElementById('random_quote').innerHTML = request.responseText;
sawine@0: }
sawine@0: 
sawine@0: function load_footer()
sawine@0: {
sawine@0: 	var file = "/footer.html";
sawine@0: 	var currentFile = self.location.hostname + self.location.pathname;		
sawine@0: 	var request = http_request_object();
sawine@0: 	var url  = "http://" + self.location.hostname + file;	
sawine@0: 	request.open("GET", url, false);
sawine@0: 	request.setRequestHeader("User-Agent", navigator.userAgent);
sawine@0: 	request.send(null)
sawine@0: 	// if (oRequest.status == 200) alert(oRequest.responseText);
sawine@0: 	// else alert("Error executing XMLHttpRequest call!");	
sawine@0: 	//document.write(url);
sawine@0: 	//document.write(request.responseText);
sawine@0:     document.getElementById('footer').innerHTML = request.responseText;
sawine@0: }
sawine@7: 
sawine@20: 
sawine@20: 
sawine@7: // Mandelbrot functions
sawine@7: function Complex(real, imag) 
sawine@7: {
sawine@7: 	this.real = real;
sawine@7: 	this.imag = imag;
sawine@7: }
sawine@7: 
sawine@7: var MIN_C = new Complex(-2.2, -1.4);
sawine@7: var MAX_C = new Complex(1.0, 1.4);
sawine@7: var min_c = MIN_C;
sawine@7: var max_c = MAX_C;
sawine@20: var MIN_ITER = 100;
sawine@20: var max_iter = MIN_ITER;
sawine@10: var zoom = 1.0;
sawine@17: var resolution = 3;
sawine@17: var bailout = 4.0;
sawine@7: 
sawine@7: function Result(z, iter) 
sawine@7: {
sawine@7: 	this.z = z;
sawine@7: 	this.iter = iter;
sawine@7: }
sawine@7: 
sawine@7: function complex_quad(c)
sawine@7: {
sawine@7: 	return new Complex(Math.pow(c.real, 2) - Math.pow(c.imag, 2), 
sawine@7: 		2.0 * c.real * c.imag);
sawine@7: }
sawine@7: 
sawine@7: function complex_quad_value(c)
sawine@7: {
sawine@7: 	return Math.pow(c.real, 2) + Math.pow(c.imag, 2);
sawine@7: }
sawine@7: 
sawine@7: function complex_add(c1, c2)
sawine@7: {
sawine@7: 	return new Complex(c1.real + c2.real, c1.imag + c2.imag);
sawine@7: }
sawine@7: 
sawine@17: function complex_equal(c1, c2)
sawine@17: {	
sawine@17: 	return (c1.real == c2.real) && (c1.imag == c2.imag);
sawine@17: }
sawine@17: 
sawine@7: function iterate(z, c) 
sawine@7: {
sawine@7: 	z_quad = complex_quad(z);
sawine@7: 	return new Complex(z_quad.real + c.real, z_quad.imag + c.imag);
sawine@7: }
sawine@7: 
sawine@7: function test(c, max_iter) 
sawine@7: {
sawine@7: 	var iter = 0;
sawine@7: 	var z = new Complex(0.0, 0.0);
sawine@17: 	var last_z = new Complex(-1.0, 0.0);
sawine@17: 	var quad_z = complex_quad_value(z);
sawine@17: 	
sawine@17: 	while (iter < max_iter
sawine@17: 		&& !complex_equal(z, last_z)
sawine@17: 		&& quad_z <= bailout)
sawine@7: 	{
sawine@17: 		last_z = z;
sawine@7: 		z = iterate(z, c);
sawine@17: 		quad_z = complex_quad_value(z);
sawine@7: 		iter++;
sawine@7: 	}
sawine@17: 	return new Result(quad_z, iter);
sawine@7: }
sawine@7: 
sawine@20: function draw(diter, dx, dy, dz, dres)
sawine@7: {  
sawine@17: 	var canvas = document.getElementById('mandelbrot'); 
sawine@17: 	
sawine@7: 	if (canvas.getContext)
sawine@7: 	{  
sawine@17: 		zoom += dz;
sawine@12: 		var ctx = canvas.getContext('2d');
sawine@17: 
sawine@17: 		if (dres != 0)
sawine@17: 		{		
sawine@17: 			resolution = Math.max(1, resolution + dres);
sawine@17: 		}
sawine@20: 
sawine@20: 		if (diter != 0)
sawine@20: 		{
sawine@20: 			max_iter = Math.max(MIN_ITER, max_iter + diter);
sawine@20: 		}
sawine@17: 		
sawine@20: 		var red = "rgb(255, 0, 0)";
sawine@20: 		var white = "rgb(255, 255, 255)";
sawine@17: 		var width = canvas.width;
sawine@17: 		var height = canvas.height;
sawine@17: 		var dim = Math.max(width, height);
sawine@17: 		var dim_ratio = Math.round(width / height);	
sawine@17: 		var diff_c = new Complex(max_c.real - min_c.real,
sawine@17: 			max_c.imag - min_c.imag);
sawine@17: 		dx_min = diff_c.real / 100 * (dx + dz);
sawine@17: 		dx_max = diff_c.real / 100 * (dx - dz);
sawine@17: 
sawine@17: 		dy_min = diff_c.imag / 100 * (dy + dz);
sawine@17: 		dy_max = diff_c.imag / 100 * (dy - dz);
sawine@17: 
sawine@17: 		var min_inc = new Complex(dx_min * dim_ratio / 2.0, dy_min);
sawine@17: 		var max_inc = new Complex(dx_max * dim_ratio / 2.0, dy_max);
sawine@7: 		min_c = complex_add(min_c, min_inc);
sawine@7: 		max_c = complex_add(max_c, max_inc);
sawine@17: 		diff_c = new Complex(max_c.real - min_c.real,
sawine@7: 			max_c.imag - min_c.imag);
sawine@7: 		
sawine@22: 		for (var y = 0; y < height; y += resolution) 
sawine@7: 		{
sawine@17: 			for (var x = 0; x < width; x += resolution) 
sawine@17: 			{    			
sawine@17: 				var c = new Complex(min_c.real + diff_c.real / dim * x, 
sawine@17: 					min_c.imag + diff_c.imag / dim * y);  	
sawine@17: 			 	var result = test(c, max_iter);	
sawine@17: 		 		var r = Math.min(255, Math.pow(Math.max(0, 
sawine@17: 		 			(result.iter - max_iter / 20.0)), 2));
sawine@17: 				var g = Math.min(255, Math.pow(Math.max(0, 
sawine@17: 					(result.iter - max_iter / 25.0)), 2));			
sawine@17: 		 		var b = Math.min(255, Math.pow(Math.max(0, 
sawine@17: 					(result.iter - max_iter / 20.0)), 2));
sawine@25: 		 		var colour = "rgb(" + r + "," + g + "," + b + ")";
sawine@25: 		 		ctx.fillStyle = colour; 
sawine@20: 				ctx.fillRect(x, y, resolution, resolution);			
sawine@7: 			}
sawine@7:   		}
sawine@7: 	}  
sawine@30: } 
sawine@30: 
sawine@30: function getEventOffsetX(evt)
sawine@30: {
sawine@30: 	if (evt.offsetX != null)
sawine@30: 		return evt.offsetX;
sawine@30:  
sawine@30:     var obj = evt.target || evt.srcElement;
sawine@30:    	setPageTopLeft(obj);
sawine@30:     return (evt.clientX - obj.pageLeft);
sawine@30: }
sawine@30: 
sawine@30: function getEventOffsetY(evt)
sawine@30: {
sawine@30: 	if (evt.offsetY != null)
sawine@30: 		return evt.offsetY;
sawine@30:  
sawine@30:     var obj = evt.target || evt.srcElement;
sawine@30:    	setPageTopLeft(obj);
sawine@30:     return (evt.clientY - obj.pageTop);
sawine@30: }
sawine@30:  
sawine@30: function setPageTopLeft( o )
sawine@30: {
sawine@30:     var top = 0,
sawine@30:     left = 0,
sawine@30:     obj = o;
sawine@30:  
sawine@30:     while (o.offsetParent)
sawine@30:      {
sawine@30:          left += o.offsetLeft ;
sawine@30:          top += o.offsetTop ;
sawine@30:          o = o.offsetParent ;
sawine@30:     };
sawine@30:  
sawine@30:     obj.pageTop = top;
sawine@30:     obj.pageLeft = left; 
sawine@30: }
sawine@30:  
sawine@30: function draw2(evt)
sawine@30: {
sawine@30: 	var iter = 0;
sawine@30: 	var res = 0;
sawine@30: 	var x = (getEventOffsetX(evt) - 335) / 167.5;
sawine@30:     var y = (getEventOffsetY(evt) - 140) / 70;
sawine@30: 	var z = 0;
sawine@30: 	draw(iter, x, y, z, res);
sawine@30: }