Floating axis
Source code
var serie = [ -10, -10, 20, 30 ];
var graphinstance = new Graph( domGraph );
graphinstance.getBottomAxis().setFloating( graphinstance.getLeftAxis(), 0 );
graphinstance.newSerie( "temperatures" )
.setLabel( "My serie" )
.autoAxis()
.setData( serie )
.setLineColor( 'red' );
graphinstance.redraw();
graphinstance.drawSeries();