arrayFound = Entities.findEntities(MyAvatar.position, 5000.0)
for( i = 0; i < arrayFound.length; i++){
	var entProps = Entities.getEntityProperties(arrayFound[i]);
	if ((entProps.name.substring(0,3) == "jy_")||(entProps.name.substring(0,3) == "wb_")||(entProps.name.substring(0,3) == "ca_")){
		print (entProps.name);
		Entities.editEntity(arrayFound[i], {gravity : {"x":0,"y":-9.8,"z":0}});
		Entities.editEntity(arrayFound[i], {dynamic : 1 });
		//Entities.editEntity(arrayFound[i], {dynamic : 0 });
		   	//Entities.editEntity(arrayFound[i], {userData: JSON.stringify({grabbableKey:{"grabbable":true}})});
	} 
}