var sum1 = arr1.reduce(function(a, b) { return a + b; 
var every1 = arr1.every(function(item){ return ($type(item) == 'number'); 
		var sum1 = arr1.reduce(function(a, b) {			return a + b;		});
9494	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9494/f98ec1ab149f173a9660792986c96b4be0d6e14e/Array.js/clean/Test/Native/Array.js