function changeSort(sel){
  location.href = sel.options[sel.selectedIndex].value;
}

function filtPriceRange(urlbase,kw,rev,src) {
  var pfrom; var pto;
  if (document.prangeform.prangefrom.value == "") {
    pfrom = "";
  } else {
    pfrom = parseFloat(document.prangeform.prangefrom.value);
  }

  if (document.prangeform.prangeto.value == "") {
    pto = "";
  } else {
    pto = parseFloat(document.prangeform.prangeto.value);
  }

  location.href = urlbase + pfrom + "_" + pto + "|" + kw + "|" + rev + "|" + src;
}

function filtKeyword(rev,src) {
  var kw = document.searchform.keyword.value;
  var sel = document.searchform.selsearch;
  var urlbase = sel.options[sel.selectedIndex].value;

  if (kw == "") {
    kw = "N";
  }
  location.href = urlbase + kw + "|" + rev + "|" + src;
}

function compare() {
/*  var i;
  var cbname;
  for (i = 0; i < 30; ++i) {
    cbname
    document.compareform.();
  }
*/
}

function postreview() {
  var email = document.reviewform.email.value;
  var handle = document.reviewform.handle.value;
  var revpoint = document.reviewform.reviewpoint.options[document.reviewform.reviewpoint.selectedIndex].value;

  var revtext = document.reviewform.reviewtext.value;
  var urlbase = document.reviewform.urlbase.value;

 location.href = urlbase + "&email=" + email + "&handle=" + handle + "&revpoint=" + revpoint + "&revtext=" + revtext;
}