var casper = require('casper').create();
casper.start();
casper.userAgent('Mozilla/5.0 (Macintosh; Intel Mac OS X)');
casper.viewport(1024, 768);
casper.thenOpen('http://jsbin.com/ifuma#noedit', function() {
this.capture('test.png');
this.mouse.down(10, 10);
this.mouse.move(200, 200);
this.mouse.up(200, 200);
this.capture('test1.png');
});
casper.run();