function ErrorMessage(message) {
	alert(message);
}

function ConfirmMessage(message) {
	return(confirm(message));
}

function RTrim(thisString) {
	if (thisString.length != 0)
	{
		while (thisString.charAt(thisString.length-1) == ' ')
			thisString = thisString.substring(0,thisString.length-1)
	}
	return thisString
}

function LTrim(thisString) {
	if (thisString.length != 0)
	{
		while (thisString.charAt(0) == ' ')
			thisString = thisString.substring(1, thisString.length)
	}
	return thisString
}

function Trim(thisString) {
	return(RTrim(LTrim(thisString)));
}

function isBlank(obj, obj_type) {
    if (obj_type == "TEXT" || obj_type == "PASSWORD")
	{
		obj.value = Trim(obj.value)
		if (obj.value.length == 0) 
      		return true;
		else
      		return false;
   	}
    else if (obj_type == "SELECT")
	{
        for (i=0; i < obj.length; i++)	
		{
			if (obj.options[i].selected)
				return false;
		}
	}
    else if (obj_type == "SINGLE_VALUE_RADIO" || obj_type == "SINGLE_VALUE_CHECKBOX")
	{
		if (obj.checked)
			return false;
	}
    else if (obj_type == "RADIO" || obj_type == "CHECKBOX")
	{
        for (i=0; i < obj.length; i++)
    	{
			if (obj[i].checked)
				return false;
		}
	}
	return true;	
}

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("You have entered an incorrect Email address")
	return false
}
var user=matchArray[1]
var domain=matchArray[2]
if (user.match(userPat)==null) {
    alert("You have entered an invalid username.")
    return false
}
var IPArray=domain.match(ipDomainPat)
if (IPArray!=null) {
	  for (var i=1;i<=4;i++) {
	    if (IPArray[i]>255) {
	        alert("You have entered an invalid Destination IP address.")
		return false
	    }
    }
    return true
}

var domainArray=domain.match(domainPat)
if (domainArray==null) {
	alert("You have entered an invalid domain name.")
    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) {
   alert("The address must end in a three-letter domain, or two letter country.")
   return false
}

if (len<2) {
   alert("You have entered a address with a missing hostname");
   return false
}

return true;
}