Illustrator Wonky Circles Script

// script.name = wonkyCircles_CS4nUp.jsx;
// script.description = it makes "crooked" (imperfect) circles in the Active Artboard;
// script.requirement = an open document; //  CS4 and Up
// script.parent = CarlosCanto // 11/6/12;
// script.elegant = false;

#target Illustrator

if (app.documents.length>0) createWonkyCircles ();
else alert ("no document to draw the wonkies");

function createWonkyCircles() {
    var idoc = app.activeDocument;
    var ilayer = idoc.layers.add(); ilayer.name = "Wonky Circles";
    var bounds = idoc.artboards[idoc.artboards.getActiveArtboardIndex()].artboardRect;
    var title = "Create Wonky Circles";
    var copies = Number(prompt ("How many Wonky Circles?", 50, title));
    var small = Number(prompt ("Enter Smallest Circle Radius in Points", 10, title));
    var big = Number(prompt ("Enter Biggest Circle Radius in Points", 50, title));
    var tolpercent = Number(prompt ("Enter Deformation Tolerance Percentage (%)", 6, title));

    for (j=0; j<copies; j++) {
        var radius = randomXToY (small, big); // random circle size
        var width = radius*2;
        var height = radius*2;
        var pntx = randomXToY (bounds[0], bounds[2]-width); // randomize position within arboard bounds
        var pnty = randomXToY (bounds[1], bounds[3]+height);
        var top = pnty;
        var left = pntx;
        var icircle = idoc.pathItems.ellipse(top, left, width, height);
        var tol = width * tolpercent/100; // adjust tolerance according to circles size to avoid weird shapes

        for (i=0; i<4; i++) {
            var tolx = randomXToY (-tol, tol); // random x distance to move
            var toly = randomXToY (-tol, tol); //random y distance to move

            var pp = icircle.pathPoints[i];
            pp.anchor = [pp.anchor[0]+tolx, pp.anchor[1]+toly]; // move anchor
            pp.leftDirection = [pp.leftDirection[0]+tolx, pp.leftDirection[1]+toly]; // and right left directions
            pp.rightDirection = [pp.rightDirection[0]+tolx, pp.rightDirection[1]+toly];
        }
    }
    //function to get random number between values, by Roshan Bhattarai
    function randomXToY(minVal,maxVal,floatVal)
    {
      var randVal = minVal+(Math.random()*(maxVal-minVal));
      //alert(randVal);
      return typeof floatVal=='undefined'?Math.round(randVal):randVal.toFixed(floatVal);
    }
 }