if (self != top)
	top.location.replace(self.location.href);

/**/

function letter_send()
{
	var em = document.letter.le_email;

	if (/^[_a-z0-9-]+(\.[_a-z0-9-]+)*@([a-z0-9-]+\.)+([a-z]{2,4})$/i.test(em.value) == false)
	{
		alert('Ihre E-Mailadresse ist nicht korrekt eingegeben!');
		em.select();
		em.focus();
	}
	else
	{
		with (document)
		{
			let_but.le_sc.disabled  = true;
			let_but.le_usc.disabled = true;
			letter.submit();
		}
	}
}

/**/

function info(url, wei, hei)
{
	var info = window.open(url,'info','width=' + wei + ',height=' + hei + ',scrollbars=1,resizable=1,top=0,left=0');
}