function make_email(id_tecka, id_zavinace){
  document.getElementById(id_zavinace).innerHTML='@'; 
	document.getElementById(id_tecka).innerHTML='.';   
}
function make_input_email(id_form, id_input){
  var a = document.forms[id_form].elements[id_input];
  var re_tecka=/\s\(tečka\)\s+?/gi; 
  var re_zavinac=/\s\(zavináč\)\s+?/gi;
  var mejl = a.value.replace(re_tecka,".");   
  mejl = mejl.replace(re_zavinac,"@");
  a.value = mejl;
}
function style_type(no){
	var seznam = document.getElementById('seznam'); 
	var li = seznam.getElementsByTagName('li')[no];
	var type = li.style.listStyle;
	if(type != 'circle url("http://localhost/www/pavel/img/minus.gif")' )
		li.style.listStyle = 'circle outside url("/www/pavel/img/minus.gif")';
	else
		li.style.listStyle = 'circle outside url("/www/pavel/img/plus.gif")';
}