function msn_submit()
{
	var str_msn_account = document.dummy_form.msn_account.value;
	var str_msn_domain = document.dummy_form.msn_domain.value;

	var regexp_uid = new RegExp("^[a-zA-Z\'0-9]+([._-][a-zA-Z\'0-9_]+)*@([a-zA-Z0-9]+[._-])+[a-zA-Z]{2,}$"); 

	if( str_msn_account == '' || str_msn_domain == '' )
	{
		alert('帳號不可為空白，請重新輸入');
		return false;
	}
	else
	{
		var str_uid = str_msn_account + '@' + str_msn_domain;
		if( !regexp_uid.test(str_uid) )
		{
			alert("請輸入正確的msn帳號");
			return false;
		}

		if( (object_form=document.getElementById('form_here')) != null )
		{
			object_form.innerHTML = '<form name="register_msn" action="register_msn.php" method="post"><input type="hidden" name="msn_account" value="' + str_uid + '" /></form>';

			var myForm = document.forms['register_msn'];
			myForm.submit(); 

			return true;
		}
		else
		{
			alert('no element');
			return false;
		}
	}
}

function yahoo_submit()
{
	var str_yahoo_account = document.dummy_form.yahoo_account.value;
	var str_yahoo_domain = document.dummy_form.yahoo_domain.value;

	var regexp_uid = new RegExp("^[a-zA-Z\'0-9]+([._-][a-zA-Z\'0-9_]+)*@([a-zA-Z0-9]+[._-])+[a-zA-Z]{2,}$"); 

	if( str_yahoo_account == '' || str_yahoo_domain == '' )
	{
		alert('帳號不可為空白，請重新輸入');
		return false;
	}
	else
	{
		var str_uid = str_yahoo_account + '@' + str_yahoo_domain;
		if( !regexp_uid.test(str_uid) )
		{
			alert("請輸入正確的Yahoo!即時通帳號");
			return false;
		}

		if( (object_form=document.getElementById('form_here')) != null )
		{
			object_form.innerHTML = '<form name="register_yahoo" action="register_yahoo.php" method="post"><input type="hidden" name="msn_account" value="' + str_uid + '" /></form>';

			var myForm = document.forms['register_yahoo'];
			myForm.submit(); 

			return true;
		}
		else
			return false;
	}
}