rem: pos += this.options.from; if(this.options.beforeUpdate) this.options.beforeUpdate(this); 
add: pos += this.options.from; this.position = pos; this.event('beforeUpdate'); 
context:   render: function(pos) {    if(this.options.transition) pos = this.options.transition(pos);    pos *= (this.options.to-this.options.from);    pos += this.options.from;     if(this.options.beforeUpdate) this.options.beforeUpdate(this);    if(this.update) this.update(pos);    if(this.options.afterUpdate) this.options.afterUpdate(this);    },
meta: 4618	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/4618/3f913f897829fb026ef98df2d57f8da94ee5339d/effects.js/clean/public/javascripts/effects.js