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

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

	function trim(s)
	{
		return rtrim(ltrim(s));
	}
	function newEmailCheck(newEmailStr)
	{
	var newEmailPat=/^(.+)@(.+)$/
	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=newEmailStr.match(newEmailPat)
	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>4) {
		return false
	}
	if (len<2) {
		return false
	}
	return true;
	}

	function chk()
	{
		if(trim(document.newFrm.newEmail.value)=="")
		{
			alert("Please enter E-mail");
			document.newFrm.newEmail.focus();
			return false;		   
		}
		else if (!newEmailCheck(document.newFrm.newEmail.value)) 
		{ 
			alert("Please enter valid E-mail");
			document.newFrm.newEmail.focus();
			return false;
		}
		else
		{
			document.newFrm.submit();
		}
	}