Attributes

•  Let's add some of attributes to the above script to control the size of the window, and show: toolbar, scrollbars etc. The syntax to add attributes is:
  open("URL","name","attributes")

• Here is the complete list of attributes you can add:
• width
• height
• toolbar
• location
• directories
• status
• scrollbars
• resizable
• menubar

• For example:
  <form>
  <input type="button" value="Click here to see"
  onclick="window.open('page2.htm','win1','width=200,height=200,menubar')">
  </form>