function LTrim(str)
{  var whitespace = new String(" \t\n\r");
   var s = new String(str);
   if (whitespace.indexOf(s.charAt(0)) != -1) {
       var j=0, i = s.length;
       while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
              j++;
       s = s.substring(j, i);
   }
return s;
}
function RTrim(str)
{  var whitespace = new String(" \t\n\r");
   var s = new String(str);
   if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {
       var i = s.length - 1;       
       while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
              i--;
       s = s.substring(0, i+1);
   }
return s;
}
function Trim(str)  { return RTrim(LTrim(str)); }

function Validate(theForm) {

   if (Trim(theForm.name.value) == "")
  {
    alert("Please enter your name.");
    theForm.name.focus();
    return (false);
  }
   if (Trim(theForm.username.value) == "")
  {
    alert("Please enter your user name.");
    theForm.username.focus();
    return (false);
  }
  
  if (Trim(theForm.email.value) == "")
  {
    alert("Please enter your email.");
    theForm.email.focus();
    return (false);
  }

	var checkStr = theForm.email.value;
	var ch = checkStr.indexOf('@');

	if (ch==0 || ch==-1) {
		alert("Please enter a valid email address.");
		theForm.email.focus();
		return (false);
	}
	var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzƒŠŒŽšœžŸÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýþ0123456789-@.-_'";
	var checkStr = theForm.email.value;
	var allValid = true;
	for (i = 0;  i < checkStr.length;  i++) {
		ch = checkStr.charAt(i);
		for (j = 0;  j < checkOK.length;  j++)
			if (ch == checkOK.charAt(j))
				break;
				if (j == checkOK.length) {
					allValid = false;
					break;
				}
	}
	if (!allValid) {
		alert("Please enter only letter, digit and \"@.-_'\" characters in the \"Email\" field.");
		theForm.email.focus();
		return (false);
	}
	
	if (Trim(theForm.password.value) == "")
  {
    alert("Please enter your password.");
    theForm.password.focus();
    return (false);
  }
  if (Trim(theForm.password2.value) == "")
  {
    alert("Please enter your confirm password.");
    theForm.password2.focus();
    return (false);
  }
  if (theForm.password.value.length < 6)
  {
	  alert("Please enter a valid password -- more than 6 characters with no spaces and containing only the characters 0-9, a-z, or A-Z.");
      theForm.password.focus();
      return (false);	
  }
  if  (theForm.password.value != theForm.password2.value)
  {
	  	alert( "Password and verification do not match, please try again." );
		theForm.password2.focus();
		return (false);
  }
	return (true);
}