Function
$().SPServices
Web Service
People
Operation
SearchPrincipals
Example
Here's an example provided by StefanBauer. Thanks!
To search Principals the following code works:
$().SPServices({
operation: "SearchPrincipals",
webURL: "/",
searchText: "bauer",
maxResults: 100,
SPPrincipalType: "SPPrincipalType.User",
completefunc: function (xData, Status) {
alert(xData);
}
});