function checknews() 
{
 text="- Bitte "+unescape("%FCberpr%FCfen")+" Sie Ihre Email-Adresse!";
 if(document.eingabeform.email.value.search(/^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[_a-zA-Z0-9-]+\.([_a-zA-Z0-9-]+\.)?([a-zA-Z]{2,4})$/)!=0)
 {
   window.alert(text);
   return false;
 }

	var produkt_id = "";

	if(document.eingabeform.rank_asa)
	{
		if(document.eingabeform.rank_asa.checked)
		{
			produkt_id += "1000026@";
		}
	}
	
	if(document.eingabeform.rank_aa)
	{
		if(document.eingabeform.rank_aa.checked)
		{
			produkt_id += "1000023@";
		}
	}
	
	if(document.eingabeform.rank_ta)
	{
		if(document.eingabeform.rank_ta.checked)
		{
			produkt_id += "1000022@";
		}
	}
	
	if(document.eingabeform.rank_za)
	{
		if(document.eingabeform.rank_za.checked)
		{
			produkt_id += "1000021@";
		}
	}
	
	if(document.eingabeform.rank_a)
	{
		if(document.eingabeform.rank_a.checked)
		{
			produkt_id += "1000001@";
		}
	}
	
	if(document.eingabeform.rank_dab)
	{
		if(document.eingabeform.rank_dab.checked)
		{
			produkt_id += "1000028@";
		}
	}
	
	if(document.eingabeform.rank_ra)
	{
		if(document.eingabeform.rank_ra.checked)
		{
			produkt_id += "1000031@";
		}
	}

	if(document.eingabeform.rank_m)
	{
		if(document.eingabeform.rank_m.checked)
		{
			produkt_id += "1000006@";
		}
	}
	
	if(document.eingabeform.rank_d)
	{
		if(document.eingabeform.rank_d.checked)
		{
			produkt_id += "1000005@";
		}
	}
	
	if(document.eingabeform.rank_etf)
	{
		if(document.eingabeform.rank_etf.checked)
		{
			produkt_id += "1000025@";
		}
	}
	
	if(document.eingabeform.rank_b)
	{
		if(document.eingabeform.rank_b.checked)
		{
			produkt_id += "1000020@";
		}
	}
	
	if(document.eingabeform.rank_kut)
	{
		if(document.eingabeform.rank_kut.checked)
		{
			produkt_id += "1000030@";
		}
	}
	
	if(document.eingabeform.rank_ams)
	{
		if(document.eingabeform.rank_ams.checked)
		{
			produkt_id += "1000032@";
		}
	}
        if(document.eingabeform.rank_gfa)
	{
		if(document.eingabeform.rank_gfa.checked)
		{
			produkt_id += "1000029@";
		}
	}
        
	var email=document.eingabeform.email.value;
	
	a = window.open("http://www.boerse.de/news/newsletter.php?action=an&produkt_id="+produkt_id+"&email="+email,"","width=800,height=600,scrollbars=no");
	
	a.focus();
	return false;
}