/*
 ********************************Functii de biblioteca***************************************
 */

var numb = '0123456789';
var lwr = 'abcdefghijklmnopqrstuvwxyz';
var upr = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
var spc =",._@# !?()+-':;/";
var win=null;


function isValid(parm,val) {
  if (parm == "") return true;
  for (i=0; i<parm.length; i++) {
    if (val.indexOf(parm.charAt(i),0) == -1) return false;
  }
  return true;
}
 
function isNum(parm) {return isValid(parm,numb);}
function isSpc(parm) {return isValid(parm,spc);}
function isLower(parm) {return isValid(parm,lwr);}
function isUpper(parm) {return isValid(parm,upr);}
function isAlpha(parm) {return isValid(parm,lwr+upr);}
function isAlphaNum(parm) {return isValid(parm,lwr+upr+numb+spc);} 


//--ltrim,rtrim, trim
function ltrim ( s ){return s.replace( /^\s*/, "" );}

function rtrim ( s ){return s.replace( /\s*$/, "" );}

function trim ( s ){return rtrim(ltrim(s));}







function emailCheck (emailStr)
{
	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)	{return false;}

	var user=matchArray[1];
	var domain=matchArray[2];

	if (user.match(userPat)==null)	{return false;}

	var IPArray=domain.match(ipDomainPat);

	if (IPArray!=null)
	{
		for (var i=1;i<=4;i++)
		{
		  if (IPArray[i]>255) {return false;}
		}
		return true;
	}

	var domainArray=domain.match(domainPat);

	if (domainArray==null)	{return false;}

	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)
	{return false;}

	if (len<2)	{return false;}

	return true;
}