<!--
// SCRIPT VERIFICATION DATE
function isValidDate(dateStr)
	{
	var datePat = /^(\d{1,2})(\/|-)(\d{1,2})\2(\d{4})$/;
	var matchArray = dateStr.match(datePat); // is the format ok?
	if (matchArray == null){return false;}
	month = matchArray[3]; // parse date into variables
	day = matchArray[1];
	year = matchArray[4];
	if (month < 1 || month > 12)
		{ // check month range
		return false;
		}
	if (day < 1 || day > 31) {return false;}
	if ((month==4 || month==6 || month==9 || month==11) && day==31) {return false}
	if (month == 2)
		{ // check for february 29th
		var isleap = (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0));
		if (day>29 || (day==29 && !isleap)) {return false;}
		}
	return true;  // date is valid
}

//SCRIPT VERIFICATION EMAIL
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. */
		return false
		}
	var user=matchArray[1]
	var domain=matchArray[2]

	// See if "user" is valid 
	if (user.match(userPat)==null)
		{
		// user is not 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) {return false}
			}
		return true
		}

	// Domain is symbolic name
	var domainArray=domain.match(domainPat)
	if (domainArray==null) {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>4)
		{
		// the address must end in a two letter or three letter word.
		return false
		}

	// Make sure there's a host name preceding the domain.
	if (len<2) {return false}

	// If we've gotten this far, everything's valid!
	return true;
	}

//SCRIPT VERIFICATION NOMBRE
function isnumber(vstring)
	{
	var addressPattern = /^[0-9]+$/;
	return addressPattern.test(vstring);
	}
function checknumber(field)
	{
	if (!isnumber(field)){return false}
	else{return true}
	}

//SCRIPT VERIFICATION NOMBRE
function isnumeric(vstring)
	{
	var addressPattern = /^[-+]?\d*\.?\d+(?:[eE][-+]?\d+)?$/;
	return addressPattern.test(vstring);
	}
function checknumeric(field)
	{
	if (!isnumeric(field)){return false}
	else{return true}
	}

//SCRIPT SUUPRIMER LES BLANC
//String.prototype.trim = function() {return this.replace(/(^\s*)|(\s*$)/g,'');}
function trim(s)
  {
	return s.replace(/(^\s*)|(\s*$)/g,'');
	}


//-->

