function cancleHelp() {
    var form = document.forms[0];
    form.action = "/webct/helpCancle.dowebct";
    form.submit();
}

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)
	{
            alert("Please enter a valid e-mail address.");
            return false
	}

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

	if (user.match(userPat)==null)
	{
	    // user is not valid
            alert("The user name is invalid.");
	    return false
	}


	var IPArray=domain.match(ipDomainPat)
	if (IPArray!=null)
	{
		for (var i=1;i<=4;i++)
		{
		    if (IPArray[i]>255)
			{
                        alert("The destination IP address is invalid.");
			return false
			}
		}
		return true
	}

	// Domain is symbolic name
	var domainArray=domain.match(domainPat)
	if (domainArray==null)
	{
                alert("The domain name is invalid.");
		return false
	}

	var atomPat=new RegExp(atom,"g")
	var domArr=domain.match(atomPat)
	var len=domArr.length
	//Commented out according to Geoff's suggestion in SCR061322
	//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.
    //        alert("The e-mail address must end in a three-letter domain or two letter country.");
	//   return false
	//}

	// Make sure there's a host name preceding the domain.
	if (len<2)
	{
            alert("The e-mail address must contain a host name.");
	    return false
	}

	// If we've gotten this far, everything's valid!
	return true;
}

function isEmpty(str)
{   
	return ((str == null) || (str.length == 0))
}


//Remove left spaces
function LTrim(str)
{
	var i=0;

	while (i<str.length && str.charAt(i) == ' ')	 // do nothing
	{
		i++;
	}

	if (i<str.length)
		return  str.substring(i,str.length);
	else
		return "" ;

}

//Remove right spaces
function RTrim(strIn)
{
	var i=strIn.length-1;

	while (i>=0 && strIn.charAt(i) == ' ')  // do nothing
	 {
		i--;
	}

	if (i>=0)
		return strIn.substring(0,i+1);
	else
		return "";

}

//Trim a string
function Trim(str)
{
	return LTrim(RTrim(str));
}