function is_email(emailStr)
{
	var checkTLD = 1;
	
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
	
	var emailPat=/^(.+)@(.+)$/;
	
	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
	
	var validChars="\[^\\s" + specialChars + "\]";
	
	var quotedUser="(\"[^\"]*\")";
	
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	
	var atom=validChars + '+';
	
	var word="(" + atom + "|" + quotedUser + ")";
	
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	
	var matchArray=emailStr.match(emailPat);
	
	if (matchArray==null)
	{
		//alert ("Email address seems incorrect (check @ and .'s)");
		alert("Adresse email incorrecte.");
		return 2;
	}
	
	var user=matchArray[1];
	var domain=matchArray[2];
	
	for (i=0; i<user.length; i++)
	{
		if (user.charCodeAt(i)>127)
		{
			//alert("The username contains invalid characters.");
			alert("Adresse email incorrecte.");
			return 2;
		}
	}
	for (i=0; i<domain.length; i++)
	{
		if (domain.charCodeAt(i)>127)
		{
			//alert("The domain name contains invalid characters.");
			alert("Adresse email incorrecte.");
			return 2;
		}
	}
	
	if (user.match(userPat)==null)
	{
		//alert("The username doesn't seem to be valid.");
		alert("Adresse email incorrecte.");
		return 2;
	}
	
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null)
	{
		for (var i=1;i<=4;i++)
		{
			if (IPArray[i]>255)
			{
				//alert("Destination IP address is invalid!");
				alert("Adresse email incorrecte.");
				return 2;
			}
		}
		return true;
	}
	 
	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++)
	{
		if (domArr[i].search(atomPat)==-1)
		{
			//alert("The domain name does not seem to be valid.");
			alert("Adresse email incorrecte.");
			return 2;
		}
	}
	
	if (checkTLD && domArr[domArr.length-1].length!=2 && domArr[domArr.length-1].search(knownDomsPat)==-1)
	{
		//alert("The address must end in a well-known domain or two letter " + "country.");
		alert("Adresse email incorrecte.");
		return 2;
	}
	
	if (len<2)
	{
		//alert("This address is missing a hostname!");
		alert("Adresse email incorrecte.");
		return 2;
	}
	
	return true;
}

function handler_check_length(field, length)
{
	var f = document.getElementById(field).value;
	
	var r = length - f.length;
	
	if (r < 0)
	{
		// Logueur maximum atteinte
		document.getElementById(field).value = f.substring(0, length);
	}
}

function handler_check_numeric(field)
{
	var f = document.getElementById(field).value;
	
	var new_string = '';
	
	for (var i=0 ; i<f.length ; i++)
	{
		if ((parseInt(f.charAt(i)) || f.charAt(i) == 0) && f.charAt(i) != ' ')
		{
			new_string += f.charAt(i);
		}
	}
	
	document.getElementById(field).value = new_string;
}

function handler_submit_home()
{
	if (is_email(document.getElementById('abonne_email').value) == true)
		window.open('newsletter/inscription.php?abonne_email='+document.getElementById('abonne_email').value, '', 'toolbar=0,location=0,directories=0,status=0,scrollbars=0,resizable=0,copyhistory=0,menuBar=0,width=640,height=480');
	
	return false;
}