// JavaScript Document
// Removes leading whitespaces
function charLimit(objField, intLength)
{
returnvalue=true;
if (eval(document.getElementById(objField).value.length) >= intLength)
returnvalue=false;
return returnvalue;
}

function LTrim( value ) {
	var re = /\s*((\S+\s*)*)/;
	return value.replace(re, "$1");
}

// Removes ending whitespaces
function RTrim( value ) {
	var re = /((\s*\S+)*)\s*/;
	return value.replace(re, "$1");
}

// Removes leading and ending whitespaces
function trim( value ) {
	return LTrim(RTrim(value));
}
function validateString(val)
{var validation;
var legalChars = /[^a-z ]/i;
  // allow only letters, numbers, and underscores
    if (legalChars.test(val)) {
       validation = "Only letters and spaces are allowed";
    }
	else
	{
		validation = "";
	}
	return validation ;
}
function validatePassword(val)
{var validation;
var legalChars = /[^a-z\d\_]/i;

    if (legalChars.test(val)) {
       validation = "Only letters, numbers and underscores are allowed";
    }
	else
	{
		validation = "";
	}
	return validation ;
}
function emailCheck (emailStr) {
var errStr = "";
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) {
errStr = "Email address seems incorrect (check @ and .'s)\n\n"
return errStr;
}
var user=matchArray[1];
var domain=matchArray[2];
for (i=0; i<user.length; i++) {
if (user.charCodeAt(i)>127) {
errStr = "The username contains invalid characters\n\n"
return errStr;
   }
}
for (i=0; i<domain.length; i++) {
if (domain.charCodeAt(i)>127) {
errStr = "The domain name contains invalid characters\n\n"
return errStr;
   }
}
if (user.match(userPat)==null) {
errStr = "The username doesn't seem to be valid\n\n"
return errStr;
}
var IPArray=domain.match(ipDomainPat);
if (IPArray!=null) {
for (var i=1;i<=4;i++) {
if (IPArray[i]>255) {
errStr = "Destination IP address is invalid\n\n"
return errStr;
   }
}
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) {
errStr = "The domain name does not seem to be valid\n\n"
return errStr;
   }
}
if (checkTLD && domArr[domArr.length-1].length!=2 && 
domArr[domArr.length-1].search(knownDomsPat)==-1) {
errStr = "The address must end in a well-known domain or two letter " + "country\n\n"
return errStr;
}

if (len<2) {
errStr = "This address is missing a hostname\n\n"
return errStr;
}

errStr = ""
return errStr;
}

function CaricaFoto(imgSRC){
  window.open( "popup.htm?"+imgSRC, "","resizable=1,HEIGHT=200,WIDTH=200");
}