Adding client function for LB service
diff --git a/rackspace/client.go b/rackspace/client.go
index 5f739a8..65b547b 100644
--- a/rackspace/client.go
+++ b/rackspace/client.go
@@ -154,3 +154,14 @@
 
 	return &gophercloud.ServiceClient{ProviderClient: client, Endpoint: url}, nil
 }
+
+// NewLBV1 creates a ServiceClient that can be used to access the Rackspace
+// Cloud Load Balancer v1 API.
+func NewLBV1(client *gophercloud.ProviderClient, eo gophercloud.EndpointOpts) (*gophercloud.ServiceClient, error) {
+	eo.ApplyDefaults("rax:load-balancer")
+	url, err := client.EndpointLocator(eo)
+	if err != nil {
+		return nil, err
+	}
+	return &gophercloud.ServiceClient{ProviderClient: client, Endpoint: url}, nil
+}