rem: this.variables = []; 
context: 	instance : function(f) {		this.behavior = wFORMS.behaviors.calculation; 		this.target = f;		this.calculations = [];		this.variables = [];	}
meta: 8955	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8955/b4c3f459a214f1abf932ebf4eecf8504548aeec6/wforms_calculation.js/clean/branches/3.0/wforms_calculation.js