<SCRIPT LANGUAGE="JavaScript"><!--
// Arrays within arrays:

var x = new Array(new Array(1,2,3),new Array('A','B','C'),new Array('x','y','z'));

alert(x[1][2]); // returns 'C'

// Associative arrays:

var myArray = new Array();
myArray['00'] = 1;
myArray['01'] = 2;
myArray['02'] = 3;
myArray['10'] = 'A';
myArray['11'] = 'B';
myArray['12'] = 'C';
myArray['20'] = 'x';
myArray['21'] = 'y';
myArray['22'] = 'z';

alert(myArray['1' + '2']); // returns 'C';
//--></SCRIPT>