function fValidateLogin() {
	if(document.getElementById('txtUsername').value.length < 1) {
		alert("Please fill in the Username !");
		document.getElementById('txtUsername').focus();
		return false;
	}
	if(document.getElementById('txtPassword').value.length < 1) {
		alert("Please fill in the Password !");
		document.getElementById('txtPassword').focus();
		return false;
	}
	return true;
}
//********************************************************************************************************
function fValidateSubmit() {
	var emailID = document.getElementById('txtEmail');
	if ((emailID.value==null)||(emailID.value=="")){
		location.href="/mailinglist/tryagain.html";
		return false;
	}
	if (echeck(emailID.value)==false){
		location.href="/mailinglist/tryagain.html";
		return false;
	}
	return true;
}
//********************************************************************************************************
function validate(elem) {
	if((elem.value != undefined) && (elem.value != "")) return true;
	else return false;
}
//********************************************************************************************************
function fValidateEditUserPass() {
	if(document.getElementById('txtPassword').value.length < 5) {
		alert("Password must be at least 5 characters !");
		document.getElementById('txtPassword').focus();
		return false;
	}
	if(document.getElementById('txtPassword').value != document.getElementById('txtPassword2').value) {
		alert("Please confirm the password !");
		document.getElementById('txtPassword2').focus();
		return false;
	}
	return true;
}

//********************************************************************************************************
function fValidateSendEmail() {
	if(document.getElementById('txtSubject').value.length < 1) {
		alert("Please fill in the subject of the message to be sent !");
		document.getElementById('txtSubject').focus();
		return false;
	}
	if(document.getElementById('txtBody').value.length < 1) {
		alert("Please fill in the body of the message to be sent !");
		document.getElementById('txtBody').focus();
		return false;
	}
	return true;
}
//********************************************************************************************************
function doSubmit(f) {
  if (event.keycode == 17)
    f.submit();
}
//********************************************************************************************************
function IsNotNumeric(sText) {
   var ValidChars = "123456789";
   var IsNotNumber=false;
   var Char;

   for (i = 0; i < sText.length && IsNotNumber== false; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNotNumber= true;
         }
      }
   return IsNotNumber;
}
//********************************************************************************************************
function echeck(str) {
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1){
		return false
	}
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		return false
	}
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		return false
	}
	if (str.indexOf(at,(lat+1))!=-1){
		return false
	}
	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		return false
	}

	if (str.indexOf(dot,(lat+2))==-1){
		return false
	}	
	if (str.indexOf(" ")!=-1){
		return false
	}
	return true					
}
//********************************************************************************************************
function confirmSubmit(strAsk) {
	return (confirm(strAsk))
}
//********************************************************************************************************