function doSearch(){
var act='http://';
var arg='';
act+=(document.search.tiscalitype.value == 
'mappe')?'mappe.tiscali.it/mappe/cercaindirizzo.asp?http://mappe.tiscali.it/mappe/cercaindirizzo.asp?txtIndirizzo=&txtCivico=&ContextName=793b5baf-176f-4cc9-92e910388b3b12c7-3e4befe3&SessionID=&cerca.x=18&Cartografy=ITALIA&Nation=ITALIA&txtComune=':'search-dyn.tiscali.it/search.php?key=';
arg+=document.search.key.value.replace(/ /g, '+');
arg+=(document.search.tiscalitype.value != 
'mappe')?'&tiscalitype='+document.search.tiscalitype.value:'';
switch (document.search.tiscalitype.value){
case 'news':
     arg+='&hits=10&language=italian&external=0&collection=it';
     break;
case 'mp3':
     arg+='&hits=15&external=1&maxCount=4';
     break;
case 'image':
     arg+='&hits=9&external=1&maxCount=4';
     break;
case 'video':
     arg+='&hits=10&external=1&maxCount=4';
     break;
default:
     arg+='&hits=10&language=it&external=1&collection=it&spell=suggest';
     break;
}
window.location.href=act+arg+'&offset=0&pg=1';}