JavaScript Pop Ups

<input type = button onClick = 'javascript:x = confirm('Do you really want to do this');">

<input type = button onClick = 'javascript:y = prompt('Enter Something Useful');">

<input type = button onClick = 'javascript:z = alert('This is an alert box');">

# Auto Popup Handler. Posted by brad@longbrothers.net
#
require 'win32ole'  # already included if you use 'require watir'
#
# Function to look for popups
def check_for_popups
    autoit = WIN32OLE.new('AutoItX3.Control')
    #
    # Do forever - assumes popups could occur anywhere/anytime in your application.
    loop do
        # Look for window with given title. Give up after 1 second.
        ret = autoit.WinWait('Popup Window Title', '', 1)
        #
        # If window found, send appropriate keystroke (e.g. {enter}, {Y}, {N}).
        if (ret==1) then autoit.Send('{enter}') end
        #
        # Take a rest to avoid chewing up cycles and give another thread a go.
        # Then resume the loop.
        sleep(3)
    end
end
#
# MAIN APPLICATION CODE
# Setup popup handler
$popup = Thread.new { check_for_popups }  # start popup handler
at_exit { Thread.kill($popup) }           # kill thread on exit of main application
#
# Main application code follows
# ...

# A Better Popup Handler using the latest Watir version. Posted by Mark_cain@rl.gov
#
require 'watir\contrib\enabled_popup' 
#
def startClicker( button , waitTime= 9, user_input=nil )
  # get a handle if one exists
  hwnd = $ie.enabled_popup(waitTime)  
  if (hwnd)  # yes there is a popup
    w = WinClicker.new
    if ( user_input ) 
      w.setTextValueForFileNameField( hwnd, "#{user_input}" )
    end
    # I put this in to see the text being input it is not necessary to work
    sleep 3         
    # "OK" or whatever the name on the button is
    w.clickWindowsButton_hwnd( hwnd, "#{button}" )
    #
    # this is just cleanup
    w=nil    
  end
end
#
# MAIN APPLICATION CODE
#
$ie = Watir::IE.start( "c:\test.htm" )

# This is whatever object that uses the click method.  
# You MUST use the click_no_wait method.
$ie.image( :id, '3' ).click_no_wait
#
# 3rd parameter is optional and is used for input and file dialog boxes.
startClicker( "OK ", 7 , "User Input" )
#
# Main application code follows
# ...

require 'Watir'
require 'watir/contrib/enabled_popup'

# Use click_no_wait to launch the popup or your script will hang
browser.button(:id, /someText/).click_no_wait 

hwnd = browser.enabled_popup(5)
if (hwnd)  #yeah! a popup
  popup = WinClicker.new
  popup.makeWindowActive(hwnd)
  popup.clickWindowsButton("Windows Internet Explorer", "OK", "30")
end