layout.jade

!!!
html
  head
    link(rel='stylesheet', href='/stylesheets/styles.css')
    block head
      //- Here you can put some default html if the head block is not defined
      //- in a extending template
      //- title= adspace

  body(bgcolor='#fafaff')
    #main
      #header
        br
        -if(session.user)
          #headerleft
            p Inside the if condition  
            a(href='/user/account')  Account
             
            a(href='/user/ads') Ads
             
            a(href='/ads/newad') PostAd
             
            a(href='/search') Search
          #headerright='Welcome, ' + session.user.fname + '.'
             
            a(href='/sessions/destroy') Logout
             
        -else
          #headerleft
            a(href='/search')  Search
          #headerright
            a(href='/sessions/login') Login
             
            a(href='/sessions/register') Register 
        br
        br
        -if(flash.warn)
          p#warn=flash.warn
      block body
        //- You can put default body html here if no body block is defined in a
        //- extending template

searchindex.jade

extends ../layout

//- Here we are creating a new head block with a title in it
//- Since we extended the layout file, this head block overrides the one
//-   in the layout.
//- If you don't want to replace everything, you can use "append" instead of
//- "block" and the content here will be appended to the head block in layout
block head
  title some title

//- Here we create a new body block, this overrides the one create in the layout file
block body
  img(src = '/static/logo.jpg').centered
  br
  form(action='/search/results', method='POST').centered
  p.location Location:
    select(id="location",name="location")
      option(value='hyderabad') Hyderabad
      option(value='bangalore') Bangalore
      option(value='mumbai') Mumbai
      option(value='Kolkata') Kolkata
      option(value='Delhi') Delhi
      option(value='chennai') Chennai
    br
    input(type='search',id='query',name='query',size='46',style='font-size:20px')
    br
    br
    input(type='submit',value='Search')