added 'Email Send' feature in blog to send blog by mail to all subscribers
diff --git a/erpnext/website/doctype/blog/blog.js b/erpnext/website/doctype/blog/blog.js
new file mode 100644
index 0000000..b0c1ec2
--- /dev/null
+++ b/erpnext/website/doctype/blog/blog.js
@@ -0,0 +1,25 @@
+// ERPNext - web based ERP (http://erpnext.com)
+// Copyright (C) 2012 Web Notes Technologies Pvt Ltd
+// 
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+cur_frm.cscript.refresh = function(doc) {
+	if(!doc.__islocal && doc.published && !doc.email_sent) {
+		cur_frm.add_custom_button('Email Subscribers', function() {
+			$c_obj(make_doclist(doc.doctype, doc.name), 'send_emails', '', function(r) {
+				cur_frm.refresh();
+			});
+		})
+	}
+}
\ No newline at end of file
diff --git a/erpnext/website/doctype/blog/blog.py b/erpnext/website/doctype/blog/blog.py
index e361ece..786941c 100644
--- a/erpnext/website/doctype/blog/blog.py
+++ b/erpnext/website/doctype/blog/blog.py
@@ -29,6 +29,31 @@
 		super(DocType, self).__init__('Blog')
 		self.doc, self.doclist = d, dl
 
+	def send_emails(self):
+		"""send emails to subscribers"""
+		if self.doc.email_sent:
+			webnotes.msgprint("""Blog Subscribers already updated""", raise_exception=1)
+		
+		from webnotes.utils.email_lib.bulk import send
+		from markdown2 import markdown
+		import webnotes.utils
+		
+		# get leads that are subscribed to the blog
+		recipients = [e[0] for e in webnotes.conn.sql("""select distinct email_id from tabLead where
+			ifnull(blog_subscriber,0)=1""")]
+
+		# make heading as link
+		content = '<h2><a href="%s/%s.html">%s</a></h2>\n\n%s' % (webnotes.utils.get_request_site_address(),
+			self.doc.page_name, self.doc.title, markdown(self.doc.content))
+
+		# send the blog
+		send(recipients = recipients, doctype='Lead', email_field='email_id',
+			first_name_field = 'lead_name', last_name_field="", subject=self.doc.title,
+			message = markdown(content))
+		
+		webnotes.conn.set(self.doc, 'email_sent', 1)
+		webnotes.msgprint("""Scheduled to send to %s subscribers""" % len(recipients))
+
 	def on_update(self):
 		super(DocType, self).on_update()
 		if not webnotes.utils.cint(self.doc.published):
diff --git a/erpnext/website/doctype/blog/blog.txt b/erpnext/website/doctype/blog/blog.txt
index 6ed7143..35d31c6 100644
--- a/erpnext/website/doctype/blog/blog.txt
+++ b/erpnext/website/doctype/blog/blog.txt
@@ -3,9 +3,9 @@
 
 	# These values are common in all dictionaries
 	{
-		'creation': '2012-07-13 13:02:27',
+		'creation': '2012-07-27 19:32:53',
 		'docstatus': 0,
-		'modified': '2012-07-27 14:15:24',
+		'modified': '2012-08-03 12:18:36',
 		'modified_by': u'Administrator',
 		'owner': u'Administrator'
 	},
@@ -116,6 +116,16 @@
 	# DocField
 	{
 		'doctype': u'DocField',
+		'fieldname': u'email_sent',
+		'fieldtype': u'Check',
+		'hidden': 1,
+		'label': u'Email Sent',
+		'permlevel': 0
+	},
+
+	# DocField
+	{
+		'doctype': u'DocField',
 		'fieldname': u'file_list',
 		'fieldtype': u'Text',
 		'hidden': 1,