function newsletterss(newsletter)
{

 var OAjax;


  if (window.XMLHttpRequest) OAjax = new XMLHttpRequest();
  else if (window.ActiveXObject) OAjax = new ActiveXObject('Microsoft.XMLHTTP');

  OAjax.open('POST',"newsletterbis.php",true);

  OAjax.onreadystatechange = function()
  {
      if (OAjax.readyState == 4 && OAjax.status==200)
      {
          if (document.getElementById)
          {   
              if (OAjax.responseText !='true') { 
					document.getElementById('newsletter').innerHTML=OAjax.responseText;
					this.xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=iso-8859-1"); 
                   
              }else{                            
                    document.getElementById('newsletter').innerHTML='<span style="color:red">Erreur'+OAjax.responseText+'</span>';
              }
          }     
      }
  }
  
  

  OAjax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=iso-8859-1"); 
  OAjax.send('newsletter='+newsletter);              
} 

function VerificationMail(email)
{
 address = email.toUpperCase();

  if(address.length < 5)
     return false;

  if(address.indexOf("..") != -1) 
     return false;

  for(i=0; i<address.length; i++)
  {
     tmpchar = address[i];

     if((tmpchar != '.') && (tmpchar != '@')
		&& ( (tmpchar <  '0') || (tmpchar  > '9') )
		&& ( (tmpchar <  'A') || (tmpchar  > 'Z') )
		&& ( (tmpchar <  '-') || (tmpchar  > '-') ) 
		&& ( (tmpchar <  '_') || (tmpchar  > '_') ) )
        return false;
  }


  if(address.indexOf('@') == -1)
     return false;

  if(address.indexOf('.') == -1)
     return false;

  if( (address.substring(0, 1) == '@') || (address.substring(0, 1) == '.') )
     return false;

  if( (address.substring(address.length -1, address.length) == '@') || (address.substring(address.length -1, address.length) == '.'))
     return false;

  if(address.indexOf('@', address.indexOf('@', 0) + 1) != -1)
     return false;

  if(address.substring(address.indexOf('@') + 1, address.indexOf('@') +2) == '.')
     return false;

  if(address.substring(address.indexOf('@') - 1, address.indexOf('@')) == '.')
     return false;

  // address may be ok
  return true;
}


function monemail()
{
if(!VerificationMail(document.getElementById("newsletters").value)) // email
{
alert("veuillez saisir une Adresse Mail valide");
return false;
}
else return true;
}

if ( document.all )
{
	function blink_show()
	{
		blink_tags  = document.all.tags('blink');
		blink_count = blink_tags.length;
		for ( i = 0; i < blink_count; i++ )
		{
			blink_tags[i].style.visibility = 'visible';
		}
		
		window.setTimeout( 'blink_hide()', 700 );
	}
	
	function blink_hide()
	{
		blink_tags  = document.all.tags('blink');
		blink_count = blink_tags.length;
		for ( i = 0; i < blink_count; i++ )
		{
			blink_tags[i].style.visibility = 'hidden';
		}
		
		window.setTimeout( 'blink_show()', 250 );
	}
	
	window.onload = blink_show;
}