You can try to replace following code in wp-content/themes/angular/js/aviapoly.js:
start_autorotation: function()
{
if(slider.count)
{
slider.interval = setInterval(function()
{
if(slider.options.autorotation)
{
slider.trigger('switch.'+pluginNameSpace, 'next');
}
},
slider.options.autorotationTimer * 1000);
}
},
with:
start_autorotation: function()
{
if(slider.count)
{
slider.interval = setInterval(function()
{
slider.mouseover(function() { methods.pause_slider(); });
if(slider.options.autorotation)
{
slider.trigger('switch.'+pluginNameSpace, 'next');
}
},
slider.options.autorotationTimer * 1000);
}
},