function array_combine (keys, values) {

// http://kevin.vanzonneveld.net

// + original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)

// + improved by: Brett Zamir (http://brett-zamir.me)

// * example 1: array_combine([0,1,2], ['kevin','van','zonneveld']);

// * returns 1: {0: 'kevin', 1: 'van', 2: 'zonneveld'}

var new_array = {},

keycount = keys && keys.length,

i = 0;

// input sanitation

if (typeof keys !== 'object' || typeof values !== 'object' || // Only accept arrays or array-like objects

typeof keycount !== 'number' || typeof values.length !== 'number' || !keycount) { // Require arrays to have a count

return false;

}

// number of elements does not match

if (keycount != values.length) {

return false;

}

for (i = 0; i < keycount; i++) {

new_array[keys[i]] = values[i];

}

return new_array;

}