find the index of a row by value in 2 dimensional array
function indexOfRowContainingValue(value, arr) {
//console.log("value :" + value);
//console.log("arr :" + arr);
var arrSize = Object.size(arr);
//console.log("arrSize :" + arrSize);
for (var i=0, arrSize; i<arrSize; i++) {
var arrSize2 = Object.size(arr[i]);
//console.log("arrSize2 :" + arrSize2);
for (var j=0, arrSize2; j<arrSize2; j++) {
if (arr[i][j] === value) { return i; }
//console.log("arr[i][j] :" + arr[i][j]);
}
}
return -1;
}