function Choice(form,i)
{
  var checkcount = 0;
  var loop;

    if (i == 0)
    {
        if(form.focus.checked){
		form.focus.checked = true;
		form.global.checked = true;
		form.afrika.checked = true;
		form.asien.checked = true;
		form.latein.checked = true;
		form.nahost.checked = true;
		}
	
		else
		{
		form.focus.checked = false;
		form.global.checked = false;
		form.afrika.checked = false;
		form.asien.checked = false;
		form.latein.checked = false;
		form.nahost.checked = false;
		}
		
	}
    else if(i == 1)
	{
		form.focus.checked = false;
	}
  
 }
 
function EMail(sem)
{
 
 var res = true;

 if ((sem == "") || (sem.indexOf ('@', 0) == -1) || (sem.indexOf ('.', 0) == -1) || (sem.length < 6|| sem.indexOf ('.',0) == -1))
	{
	
	res =false;

	}

 
	return res;
}

function RoundCheck(form)
{
	res = form.forum.checked || form.wp.checked || form.global.checked || form.afrika.checked || form.asien.checked || form.latein.checked || form.nahost.checked;
	
	if(!res)
	{
		res = false;
		alert("Please choose at least one!");
	}
	
	if(!EMail(form.mail.value))
	{
		res = false;
		alert("Your email address is invalid!");
	}
	
	return res;
	
}
function openNewWindow()
{
	window.open("/english/content/mailing/list.html","_blank","width = 580, height = 810");
}