function Trim(s) 
{
  while ((s.substring(0,1) == ' ') || (s.substring(0,1) == '\n') || (s.substring(0,1) == '\r'))
  {
    s = s.substring(1,s.length);
  }

  while ((s.substring(s.length-1,s.length) == ' ') || (s.substring(s.length-1,s.length) == '\n') || (s.substring(s.length-1,s.length) == '\r'))
  {
    s = s.substring(0,s.length-1);
  }
  return s;
}

/* ------------------------------------------------------------------ */
function isEmail(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 +")*$");
	var matchArray=emailStr.match(emailPat);
	if (matchArray==null) {
		alert("Email address seems incorrect (check @ and .'s)");
		return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	for (i=0; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {
			alert(" ( "+ emailStr +" ) Ths username contains invalid characters.");
			return false;
		}
	}
	for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {
			alert(" ( "+ emailStr +" ) Ths domain name contains invalid characters.");
			return false;
		}
	}
	if (user.match(userPat)==null) {
		alert(" ( "+ emailStr +" ) The username doesn't seem to be valid.");
		return false;
	}
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
				alert(" ( "+ emailStr +" ) Destination IP address is invalid!");
				return false;
	   		}
		}
		return true;
	}
	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) {
		if (domArr[i].search(atomPat)==-1) {
			alert(" ( "+ emailStr +" ) The domain name does not seem to be valid.");
			return false;
	   }	
	}
	if (checkTLD && domArr[domArr.length-1].length!=2 && 
		domArr[domArr.length-1].search(knownDomsPat)==-1) {
		alert(" ( "+ emailStr +" ) The address must end in a well-known domain or two letter " + "country.");
		return false;
	}

	if (len<2) {
		alert(" ( "+ emailStr +" ) This address is missing a hostname!");
		return false;
	}	
	return true;
}
function checkString(str, value, length)
{
	for(i=0;i<length;i++)
	{
		ch1=value.charAt(i);
		rtn1=str.indexOf(ch1);
		if(rtn1==-1)
			return false;
	}
	return true;
}

function phoneformate(value,length)
{
	chk1="+1234567890()- ";
	return checkString(chk1, value, length);
}


function sz(t) {
a = t.value.split('\n');
b=1;
for (x=0;x < a.length; x++) {
 if (a[x].length >= t.cols) b+= Math.floor(a[x].length/t.cols);
 }
b+= a.length;
if (b > t.rows) t.rows = b;
}
/* ------------------------------------------------------------------ */