1.Down the code 2.Open VJS.html with chrome 3.drag block from left
[start> [Button] [MoveX] [ ]
4.connect like this
[start>----[Button]----[MoveX] [ ]
5.set parameter Button: b1 MoveX: im1 2
6.click GenCode button
7.open console copy the code from log
8.paste to the example page
Example http://jsfiddle.net/vxxlV/
9.press the button named b1,hero will be move