Must remember to push this to flot

gistfile1.txt

                // draw ticks
                
                for (i = 0; i < axis.ticks.length; ++i) {
                    ctx.beginPath();
                    var v = axis.ticks[i].v;
                    
                    xoff = yoff = 0;

                    if (v < axis.min || v > axis.max
                        // skip those lying on the axes if we got a border
                        || (t == "full" && bw > 0
                            && (v == axis.min || v == axis.max)))
                        continue;

                    if (axis.direction == "x") {
                        x = axis.p2c(v);
                        yoff = t == "full" ? -plotHeight : t;
                        
                        if (axis.position == "top")
                            yoff = -yoff;
                    }
                    else {
                        y = axis.p2c(v);
                        xoff = t == "full" ? -plotWidth : t;
                        
                        if (axis.position == "left")
                            xoff = -xoff;
                    }

                    if (ctx.lineWidth == 1) {
                        if (axis.direction == "x")
                            x = Math.floor(x) + 0.5;
                        else
                            y = Math.floor(y) + 0.5;
                    }

                    if ($.isFunction(axis.options.tickColor)){
                        ctx.strokeStyle = axis.options.tickColor(v);
                    }
                    ctx.moveTo(x, y);
                    ctx.lineTo(x + xoff, y + yoff);
                    ctx.stroke();
                }

added to pull request: flot/flot#917