Referring to the kind of chart shown here: http://code.google.com/apis/visualization/documentation/gallery/barchart.html
There doesn\'t seem to be a simple switch, a
Their API has no function for this indeed, but:
chart.draw( data, { width: 400, height: 240, is3D: true, legend :'none', axisFontSize : 0 });
Setting axisFontSize to 0 will remove your x-axis data. :)