This is script want to convert to HTML

The Stage backdrop is of blue sky with grass at the bottom and, at the top, a spiderweb with a fly in it. A single sprite, Spider appears on the stage. Spider has three costumes, spider1, spider2, spider3, each an image of a spider in a slightly different pose. Spider also has a sound associated with it, in the Sounds Pane, called dance_around. The More Blocks palette contains a block happy_spider_jig and there is an associated definition script, define[happy_spider_jig], containing the following blocks, in order: play_sound[dance_around] repeat[10] switch_costume_to[spider1] wait[0.2]secs switch_costume_to[spider2] wait[0.2]secs end repeat.