function array_combine( keys, values ) {	// Creates an array by using one array for keys and another for its values
	// 
	// +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)

	var new_array = {}, keycount=keys.length, i;

	// input sanitation
	if( !keys || !values || keys.constructor !== Array || values.constructor !== Array ){
		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;
}