var domainroot="www.cheforza.it"

var searchaction=[ 
"http://www.google.com/search",
"http://search.yahoo.com/search",
"http://search.msn.com/results.aspx"
]
var queryfieldname=["q","p","q"] 

function switchaction(cur, index) {
   cur.form.action=searchaction[index]
   document.getElementById("hiddenquery").name=queryfieldname[index]
}

function jksitesearch(curobj) {
  for (i=0; i< document.jksearch.se.length; i++) { 
     if (document.jksearch.se[i].checked==true)
        switchaction(document.jksearch.se[i], i)
  }
  document.getElementById("hiddenquery").value="site:"+domainroot+" "+curobj.qfront.value
}