function preparePassword(authStr)
{
	var txtPass = document.getElementById('pass');
	var txtPassEnc = document.getElementById('passenc');
	if (txtPass != null && txtPassEnc != null)
	{
		txtPassEnc.value = hex_md5(hex_md5(txtPass.value) + authStr);
		
		var btnLogin = document.getElementById('btnLogin');
		if (btnLogin != null)
		{
			btnLogin.value = 'Signing in...';
			//btnLogin.disabled = 'yes';
		}
		
		var passStr = '';
		for (var i = 0; i < txtPass.value.length; ++i)
			passStr += '*';
		txtPass.value = passStr;
	}
}