function checkMSNEmailInviteField()
{
	if ($('msn_username').value == LANG_JS000042)
	{
    $('msn_username').value = '';
	}
	else if ($('msn_username').value == '')
	{
    $('msn_username').value = LANG_JS000042;
	}
}
function checkMSNPasswordInviteField()
{
	if ($('msn_password').value == LANG_JS000043)
	{
    $('msn_password').value = '';
	}
	else if ($('msn_password').value == '')
	{
    $('msn_password').value = LANG_JS000043;
	}
}


function checkSocialNetworkInviteEmailField()
{
	if ($('loginid').value == 'Email or Username')
	{
    $('loginid').value = '';
	}
	else if ($('loginid').value == '')
	{
    $('loginid').value = 'Email or Username';
	}
}


function checkStatusUpdateField()
{
	if ($('status-update-text').value == LANG_JS000041)
	{
    $('status-update-text').value = '';
	}
	else if ($('status-update-text').value == '')
	{
    $('status-update-text').value = LANG_JS000041;
	}
}

function checkEmailField()
{
	if ($('inpMail').value == LANG_JS000070)
	{
    $('inpMail').value = '';
	}
	else if ($('inpMail').value == '')
	{
    $('inpMail').value = LANG_JS000070;
	}
}


function processMSNInvite ()
{    
  $('msn_invite_div').style.display = 'none';
  $('loading_message').style.display = 'block';
  
  var url = GJ_WEBSITE_URL + 'pages/home/processMsnInviteForm_ajax.html';
  var msnUsername = $('msn_username').value;
  var msnPassword = $('msn_password').value;
  
  new Ajax.Request(url, {
    method: 'post',
    parameters: 'AJAX=true&msn_username=' + msnUsername + '&msn_password=' + msnPassword, 
    
    onSuccess: function(transport) 
    {
      $('msn_invite_div').innerHTML = transport.responseText;
      $('msn_invite_div').style.display = 'block';
      $('loading_message').style.display = 'none';
    },
    onFailure: function()
    {
      $('msn_invite_div').innerHTML = 'An error occured';
      $('msn_invite_div').style.display = 'block';
      $('loading_message').style.display = 'none';
    }
  });
}

function savePollResult (alternative, users_nr, polls_nr)
{    
  var url = GJ_WEBSITE_URL + 'pages/home/savePoll_ajax.html';
  
  new Ajax.Request(url, {
    method: 'post',
    parameters: 'AJAX=true&alternative=' + alternative + '&users_nr=' + users_nr + '&polls_nr=' + polls_nr, 
    
    onSuccess: function(transport) 
    {
        $('poll_div').innerHTML = transport.responseText;
    },
    onFailure: function()
    {
      $('poll_div').innerHTML = 'An error occured';
    }
  });
}


function checkSearchField()
{
	if ($('search_string').value == 'Enter a name, username or email')
	{
    $('search_string').value = '';
	}
	else if ($('search_string').value == '')
	{
    $('search_string').value = 'Enter a name, username or email';
	}
}

function startLoggingIn()
{
  $('the_login_button_div').style.display = 'none';
  $('the_logging_in_div').style.display = 'block';
  return true;
}