var ColorTimer = null;

var CurrentColor = new Array();

var dr = 1;

var dg = -1;

var db = -1;

var r_done = false;

var g_done = false;

var b_done = false;



function dec2hex (dec)

{

	var hexChars = "0123456789ABCDEF";

	var a = dec % 16;

	var b = (dec - a) / 16;

	hex = '' + hexChars.charAt (b) + hexChars.charAt (a);

	return hex;

}



function setPhoneColor (r, g, b)

{

	var phone = document.getElementById ('phone');

	var color = '#' + dec2hex(r)+dec2hex(g)+dec2hex(b);

	if (phone) phone.style.color = color;

	window.status = CurrentColor.r.toString+" - "+CurrentColor.g.toString+" - "+CurrentColor.b.toString;

}





function initColors()

{

	CurrentColor.r = 0; // 207

	CurrentColor.g = 255; // 61

	CurrentColor.b = 255; // 36

	

	ColorTimer = setInterval (shiftColor, 50);

}



function shiftColor()

{

	var x = Math.floor (10 * Math.random());

	if (x < 4) CurrentColor.r = moveColorComponent(CurrentColor.r, 0, 255, "r");

	else if (x <7) CurrentColor.g = moveColorComponent(CurrentColor.g, 0, 255, "g");

	else CurrentColor.b = moveColorComponent(CurrentColor.b, 0, 255, "b");

	

	setPhoneColor (CurrentColor.r, CurrentColor.g, CurrentColor.b);



	if(r_done&&g_done&&b_done) {

		dr = -dr;

		db = -db;

		dg = -dg;

		r_done = false;

		g_done = false;

		b_done = false;

	}	

}



function moveColorComponent (value, min, max, code)

{

	var step = Math.floor (5 * Math.random())+10;

	

	var d;

	

	if(code=="r") d = dr;

	if(code=="g") d = dg;

	if(code=="b") d = db;

	

	if (d<0) {

		if(value-step>min) value-=step;

		else {

			value = min;

			if(code=="r") r_done = true;

			if(code=="g") g_done = true;

			if(code=="b") b_done = true;

		}

	} else {

		if(value+step<max) value+=step;

		else {

			value = max;

			if(code=="r") r_done = true;

			if(code=="g") g_done = true;

			if(code=="b") b_done = true;

		}

	}



	if(code=="r") dr = d;

	if(code=="g") dg = d;

	if(code=="b") db = d;



	return value;

}



initColors();