function changeForm(formElement)
{

if(formElement.value=='new')
{
document.getElementById('existing').style.display = "none";
document.getElementById('new').style.display = "block";
}

if(formElement.value=='existing')
{
document.getElementById('existing').style.display = "block";
document.getElementById('new').style.display = "none";
}

}

function ListGetAt(list, position, delimiter)
{
  if(delimiter == null) delimiter = ',';
  list = list.split(delimiter);
  if(list.length > position)
    return list[position];
  else
    return 'undefined';
}


function CheckForm(radiobutton)
{

	if(radiobutton.value=="")
	{
	
	document.getElementById('passfield').style.visibility="hidden";
	document.getElementById('passfield').style.display="none";
	
		if(trim(radiobutton.form.email.value)=="")
		{
		radiobutton.form.email.focus();
		}
		else
		{
		radiobutton.form.submit.focus();
		}
	
	}
	else
	{
	
	document.getElementById('passfield').style.visibility="visible";
	document.getElementById('passfield').style.display="block";
	
		if(trim(radiobutton.form.email.value)!="")
		{
		radiobutton.form.password.focus();
		}
		else
		{
		radiobutton.form.email.focus();
		}
	
	}
}


function forgotpass(goto_url)
{
window.location = goto_url;
}

function copyEmail(formElement)
{

theForm = formElement.form;

if(formElement.value.indexOf("@")==-1)
{
var newUsername = formElement.value.toLowerCase();

}
else
{
list = formElement.value.split("@");
var newUsername = list[0];
}

theForm.username.value = newUsername.replace(".","_").toLowerCase();

}