function verifForm(send_text)
	{
		if(document.send_text.titre.value == "") {
			alert('Veuillez remplir le champs titre ! \r\nPlease, fill out all the fields.');
			return (false);
		}
		else if (document.send_text.titre.value != "") {
			send_text.submit();
			return (true);
		}
	}
	
	function verifFormNews(addNewsStruct)
	{
		if(document.addNewsStruct.titre.value == "") {
			alert('Veuillez remplir le champs titre ! Merci. \r\nPlease, fill out all the fields.');
			return (false);
		}
		else if (document.addNewsStruct.titre.value != "") {
			addNewsStruct.submit();
			return (true);
		}
	}
	
	function checkFormNewsletter(AddUserNewsLetter)
	{
		if (document.AddUserNewsLetter.name.value == "") {
			alert('Veuillez remplir le champs Nom ! \r\nPlease, fill out all the fields.');
			return (false);
		}
		else if (document.AddUserNewsLetter.lastName.value == "") {
			alert('Veuillez remplir le champs Prénom ! \r\nPlease, fill out all the fields.');
			return (false);
		}
		else if (document.AddUserNewsLetter.email.value == "") {
			alert('Veuillez remplir le champs E-mail ! \r\nPlease, fill out all the fields.');
			return (false);
		}
		else if (emailCheck(document.AddUserNewsLetter.email.value) == false)
		{
			alert('Le champs E-mail n\'est pas valide! \r\nThe field E-Mail seems not to be valid.');
			return (false);
		}
 		else {
			AddUserNewsLetter.submit();
			return (true);
		}
	}
	
	function checkFormAvis(avis)
	{
		if (document.avis.name.value == "") {
			alert('Veuillez remplir le champs Nom ! \r\nPlease, fill out all the fields.');
			return (false);
		}
		else if (document.avis.lastname.value == "") {
			alert('Veuillez remplir le champs Prénom ! \r\nPlease, fill out all the fields.');
			return (false);
		}
		else if (document.avis.email.value == "") {
			alert('Veuillez remplir le champs E-mail ! \r\nPlease, fill out all the fields.');
			return (false);
		}
		else if (emailCheck(document.avis.email.value) == false)
		{
			alert('Le champs E-mail n\'est pas valide! \r\nThe field E-Mail seems not to be valid.');
			return (false);
		}
		else {
			avis.submit();
			return (true);
		}
	}
	
	function emailCheck (emailStr) 
	{
		/* The following pattern is used to check if the entered e-mail address
		fits the user@domain format.  It also is used to separate the username
		from the domain. */
		var emailPat=/^(.+)@(.+)$/
		/* The following string represents the pattern for matching all special
		characters.  We don't want to allow special characters in the address. 
		These characters include ( ) < > @ , ; : \ " . [ ]    */
		var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
		/* The following string represents the range of characters allowed in a 
		username or domainname.  It really states which chars aren't allowed. */
		var validChars="\[^\\s" + specialChars + "\]"
		/* The following pattern applies if the "user" is a quoted string (in
		which case, there are no rules about which characters are allowed
		and which aren't; anything goes).  E.g. "jiminy cricket"@disney.com
		is a legal e-mail address. */
		var quotedUser="(\"[^\"]*\")"
		/* The following pattern applies for domains that are IP addresses,
		rather than symbolic names.  E.g. joe@[123.124.233.4] is a legal
		e-mail address. NOTE: The square brackets are required. */
		var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
		/* The following string represents an atom (basically a series of
		non-special characters.) */
		var atom=validChars + '+'
		/* The following string represents one word in the typical username.
		For example, in john.doe@somewhere.com, john and doe are words.
		Basically, a word is either an atom or quoted string. */
		var word="(" + atom + "|" + quotedUser + ")"
		// The following pattern describes the structure of the user
		var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
		/* The following pattern describes the structure of a normal symbolic
		domain, as opposed to ipDomainPat, shown above. */
		var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")


		/* Finally, let's start trying to figure out if the supplied address is
		valid. */

		/* Begin with the coarse pattern to simply break up user@domain into
		different pieces that are easy to analyze. */
		var matchArray=emailStr.match(emailPat)
		if (matchArray==null) {
			/* Too many/few @'s or something; basically, this address doesn't
			even fit the general mould of a valid e-mail address. */
			//alert("Email address seems incorrect (check @ and .'s)")
			return false
		}
		var user=matchArray[1]
		var domain=matchArray[2]

		// See if "user" is valid 
		if (user.match(userPat)==null) {
			// user is not valid
			//alert("The username doesn't seem to be valid.")
			return false
		}

		/* if the e-mail address is at an IP address (as opposed to a symbolic
		host name) make sure the IP address is valid. */
		var IPArray=domain.match(ipDomainPat)
		if (IPArray!=null) {
			// this is an IP address
		  for (var i=1;i<=4;i++) {
		    if (IPArray[i]>255) {
		        //alert("Destination IP address is invalid!")
				return false
		    }
	    }
	    return true
		}

		// Domain is symbolic name
		var domainArray=domain.match(domainPat)
		if (domainArray==null) {
			//alert("The domain name doesn't seem to be valid.")
			return false
		}

		/* domain name seems valid, but now make sure that it ends in a
		three-letter word (like com, edu, gov) or a two-letter word,
		representing country (uk, nl), and that there's a hostname preceding 
		the domain or country. */

		/* Now we need to break up the domain to get a count of how many atoms
		it consists of. */
		var atomPat=new RegExp(atom,"g")
		var domArr=domain.match(atomPat)
		var len=domArr.length
		if (domArr[domArr.length-1].length<2 || 
			domArr[domArr.length-1].length>3) {
			// the address must end in a two letter or three letter word.
			//alert("The address must end in a three-letter domain, or two letter country.")
			return false
		}

		// Make sure there's a host name preceding the domain.
		if (len<2) {
			var errStr="This address is missing a hostname!"
			//alert(errStr)
			return false
		}

		// If we've gotten this far, everything's valid!
		return true;
}