rem: this.startPosition = [this.element.scrollHeight, '0']; this.endPosition = ['0', -this.element.scrollHeight]; return this; 
add: this.offset = this.element.offsetHeight; return [this.element.getStyle('margin-top').toInt(), this.wrapper.getStyle('height').toInt()]; 
context: 	vertical: function(){		this.margin = 'top';		this.layout = 'height';		this.startPosition = [this.element.scrollHeight, '0'];		this.endPosition = ['0', -this.element.scrollHeight];		return this;	},
meta: 3891	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/3891/03c9c00aa7fdb2f2d8571e7665048da8759cf30a/mootools-uncompressed.js/buggy/includes/js/mootools-uncompressed.js