function CirclePath(x, y, _xr, _yr, fromV, toV, n) {
	// All path objects must have these 5 methods
	this.x  = 0;	// Retrieves the current x value
	this.y  = 0;
	this.step = int_step;			// Move to next step
	this.reset = int_reset;

	// The rest may vary from different path objects

	this.steps = n;			// NN work around. NN can't handle local variables!!!
	this.stepsLeft = n;
	this.xp = x;
	this.yp = y;
	this.v = -toRad(fromV);
	this.startV = this.v;
	this.endV = -toRad(toV);
	this.xr = _xr;
	this.yr = _yr;
	
	this.x = getX(this.xp,this.xr,this.v);
	this.y = getY(this.yp,this.yr,this.v);

	function toRad(deg) {
		return deg*Math.PI/180;
	}
	
	function getX(xp, xr, v) {
//		alert("xp: " + xp + "\nxr: " + xr + "\nv: " + v);
		return xp + xr*Math.cos(v);
	}

	function getY(yp, yr, v) {
		return yp + yr*Math.sin(v);
	}

// Initate steps
	if (this.steps > 0)
		this.deltaV = (this.endV - this.startV)/n;	// work around netscape bug. Netscape couldn't handle this
	else {									// as a local variable
		this.deltaV = 0;
		this.x = getX(this.xp,this.xr,this.endV);
		this.y = getY(this.yp,this.yr,this.endV);
	}
	
	function int_step() {
		if (this.stepsLeft > 0) {
			this.v += this.deltaV;
			this.x = getX(this.xp,this.xr,this.v);
			this.y = getY(this.yp,this.yr,this.v);

			this.stepsLeft--;
			return true;
		}
		return false;
	}
	
	function int_reset() {
		if (this.steps < 1) {
			this.x = getX(this.xp,this.xr,this.endV);
			this.y = getY(this.yp,this.yr,this.endV);
		}
		else {
			this.v = this.startV;
			this.x = getX(this.xp,this.xr,this.v);
			this.y = getY(this.yp,this.yr,this.v);
			this.stepsLeft = this.steps;
		}
	}
}

CirclePath.prototype = new Path;