//dojo.require("dojox.gfx");
//dojo.require("dojox.gfx.move");

var container = null;
var container_position = null;
var surface = null;
var surface_size = null;

var skew_stat_factor = 15;

function fillColor(){
	var red   = 255;
	var green = 0;
	var blue  = 0;
	var opacity =0.2;
	return [red, green, blue, opacity];
}

function strokeColor()
{
    var red   = 250;
	var green = 7;
	var blue  = 42;
	var opacity =1;
	return [red, green, blue, opacity];
}

var shape;

function makeCircle(cx,cy,r){
    if(shape)
        shape.removeShape(true);
	shape = surface.createCircle({cx: cx, cy: cy, r: r})
			.setFill(fillColor())
			.setStroke({color: strokeColor(), width: 1})
			;
	//new dojox.gfx.Moveable(shape);
}

function initGfx(){
	container =  myXmlOverlay.overlayCanvas; //dojo.byId("gfx_holder");
	//container_position = dojo.coords(container, true);
	surface = dojox.gfx.createSurface(container, 3000, 3000);


	// cancel text selection and text dragging
	//dojo.connect(container, "ondragstart",   dojo, "stopEvent");
	//dojo.connect(container, "onselectstart", dojo, "stopEvent");
}

//dojo.addOnLoad(initGfx);