fix bug #368: use vtype 'DnsName' to verify host names

www/manager/openvz/CreateWizard.js

@@ -84,17 +84,11 @@ Ext.define('PVE.openvz.CreateWizard', {
 			{
 			    xtype: 'pvetextfield',
 			    name: 'hostname',
+			    vtype: 'DnsName',
 			    value: '',
 			    fieldLabel: 'Hostname',
 			    skipEmptyText: true,
-			    allowBlank: true,
-			    validator: function(value) {
-				var hostnamere = /^[a-zA-Z0-9\-.]+$/;
-				if (value && !hostnamere.test(value)) {
-				    return "Hostname contains invalid characters !";
-				}
-				return true;
-			    }
+			    allowBlank: true
 			}
 		    ],
 		    column2: [

www/manager/openvz/DNS.js

@@ -30,6 +30,7 @@ Ext.define('PVE.openvz.DNS', {
 		    items: {
 			xtype: 'textfield',
 			name: 'hostname',
+			vtype: 'DnsName',
 			value: '',
 			fieldLabel: 'Hostname',
 			allowBlank: true,

www/manager/qemu/CreateWizard.js

@@ -68,6 +68,7 @@ Ext.define('PVE.qemu.CreateWizard', {
 			{
 			    xtype: 'textfield',
 			    name: 'name',
+			    vtype: 'DnsName',
 			    value: '',
 			    fieldLabel: gettext('Name'),
 			    allowBlank: true