diff --git a/frappe/__init__.py b/frappe/__init__.py
index 944680806c..c56c06ba45 100644
--- a/frappe/__init__.py
+++ b/frappe/__init__.py
@@ -1144,6 +1144,14 @@ def format_value(*args, **kwargs):
 	import frappe.utils.formatters
 	return frappe.utils.formatters.format_value(*args, **kwargs)
 
+def format(*args, **kwargs):
+	"""Format value with given field properties.
+
+	:param value: Value to be formatted.
+	:param df: (Optional) DocField object with properties `fieldtype`, `options` etc."""
+	import frappe.utils.formatters
+	return frappe.utils.formatters.format_value(*args, **kwargs)
+
 def get_print(doctype=None, name=None, print_format=None, style=None, html=None, as_pdf=False, doc=None):
 	"""Get Print Format for given document.
 
diff --git a/frappe/model/document.py b/frappe/model/document.py
index 60ac60ce43..e2848af553 100644
--- a/frappe/model/document.py
+++ b/frappe/model/document.py
@@ -657,6 +657,9 @@ class Document(BaseDocument):
 
 		return out
 
+	def run_trigger(self, method, *args, **kwargs):
+		return self.run_method(method, *args, **kwargs)
+
 	def run_email_alerts(self, method):
 		'''Run email alerts for this method'''
 		if frappe.flags.in_import or frappe.flags.in_patch or frappe.flags.in_install:
diff --git a/frappe/utils/formatters.py b/frappe/utils/formatters.py
index 0295ff2bd6..824b5a5411 100644
--- a/frappe/utils/formatters.py
+++ b/frappe/utils/formatters.py
@@ -11,6 +11,9 @@ import re
 def format_value(value, df=None, doc=None, currency=None, translated=False):
 	'''Format value based on given fieldtype, document reference, currency reference.
 	If docfield info (df) is not given, it will try and guess based on the datatype of the value'''
+	if isinstance(df, basestring):
+		df = frappe._dict(fieldtype=df)
+
 	if not df:
 		df = frappe._dict()
 		if isinstance(value, datetime.datetime):
diff --git a/frappe/website/doctype/web_form/web_form.py b/frappe/website/doctype/web_form/web_form.py
index afd97b91f1..3bdce247ad 100644
--- a/frappe/website/doctype/web_form/web_form.py
+++ b/frappe/website/doctype/web_form/web_form.py
@@ -358,6 +358,7 @@ def accept(web_form, data, for_payment=False):
 
 	if for_payment:
 		web_form.validate_mandatory(doc)
+		doc.run_method('validate_payment')
 
 	if doc.name:
 		if has_web_form_permission(doc.doctype, doc.name, "write"):