title: Change text once in a week
body: <p>I need a script that will allow automatic updates of the text(a sentence) once in a week.</p>
  
  <p>For example, I have 7 texts, text1, text2, text3 , .....text7.</p>
  
  <p>I need text1 to be displayed for one week (from Monday to Sunday).</p>
  
  <p>On next monday text2 should be displayed and so on.</p>
  
  <p>Thanks in advance.</p>