ElementStacks

HTML

<script src="http://highcharts.com/js/testing.js"></script>
<div id="container"></div>
<button>reset zoom</button>

JavaScript

window.charts = []
   
for(i=0; i<5;i++) {
    charts.push(new Highcharts.Chart({
        chart: {
            renderTo: $('<div>').appendTo('#container')[0],
            zoomType: 'xy'
        },
        series: [{
            data: (function(){
                for(var i=0, data=[]; i<20; i++)
                    data.push(Math.random())
                return data;
            })()
        }]
    }));

}

$('button').click(function(){

    for(var i=0, l=charts.length; i<l; i++) {
        try {
            charts[i].toolbar.remove('zoom');
        }
        catch (e) {};
        
        charts[i].xAxis[0].setExtremes(null,null,false);
        charts[i].yAxis[0].setExtremes(null,null);
    }

})