rem: return this.max * step / this.options.steps; 
add: return (this.full * Math.abs(this.min - step)) / (this.steps * this.stepSize) - this.options.offset; 
context: 	toPosition: function(step){		return this.max * step / this.options.steps;	}
meta: 5569	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5569/73e82e776e0f715130186dae1a6d0a04aa910d47/mootools-trunk.js/buggy/wicket-contrib-mootools/src/java/wicket/contrib/mootools/mootools-trunk.js