Use these resources:
http://www.google.co.uk/search?hl=en&q=javascript+test+string+for+numeric&meta=&aq=f&oq=
Modify your javascript function:
function searchLocations() {
var address = document.getElementById('addressInput').value;
by adding something like
var numeric = do-some-test-that-i'm-not-going-to-write-for-you
(address);
if (numeric) {
alert("hey it's a number");
}
else
{ // it's not a number so
geocoder...... ;
if (!latlng) {
....
}
}
} // end function
function do-some-test-that-i'm-not-going-to-write-for-you
( string ) {
// here goes a simple test of a string to see if it is only
numeric
// and returns true or false
// If you get that working you can enhance later to test if its a
four-digit number
} // end function
Just go one step at a time. If you can't detect a branch id there's
no point worrying about what to do with it.
If you've got a business need for this and can't do it, hire someone.
This part is not maps-specific at all, it's standard javascript.
cheers, Ross K
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