return diff;\r
}
+function array_subtract(a1, a2)
+{
+ result=[]
+ for (index in a1) {
+ value = a1[index];
+ if (!$.inArray(value, a2) >= 0) {
+ result.push(value);
+ }
+ }
+ return result;
+}
+
function array_pair_lookup(x, names, values)
{
for (index in values) {