// Globals
var position = 0;
var direction = 1;
var pi = 3.14;
var rightPos = 1200;

var WMCanvas;
var WMContext;
var WMShine;






// Set up the shine
$(document).ready(function() { 	
	getWMCanvas();

	return setInterval(drawShine, 40);
});






function getWMCanvas() {

	WMCanvas = document.getElementById('WMEquation');	
	
}










function drawShine() {
	
	position = position + 0.01;
	if ((position >= 3.14) || (position < 0))
		position = 0.01;


	rightPos = (Math.cos(position) * -527);
	
	
	if (rightPos < 80)
		WMCanvas.style.backgroundPosition = rightPos + 'px top';

	if (rightPos < 100)
		rightPos = 527

	
}







function animationLoop() {
	position = position + 0.01;
	if (position == pi)
		position = 0;
	
}