function getnba() {
//document.getElementById('rech').disabled = true;
//document.getElementById('rech').style.visibility = "hidden";
var f = document.getElementById('formRech');
var f_action = "../";

var typetrans  = document.getElementById('TypeTransaction').value;

var typea  = document.getElementById('TypeAffaire').value;
var tra  = document.getElementById('tranche').value;
var reg = new RegExp("[:]+", "g");
var tr = tra.split(reg);
var pr1 = tr[0];
var pr2 = tr[1];
//var nbc  = document.getElementById('NbChambres').value;
//var pr2 = document.getElementById('Prix2').value;
//var pr1 = document.getElementById('Prix1').value;

  if (typea != "") {
  f_action += typea;
  }
  else {
  f_action += "bien";
  }
  if (typetrans == "Location") {
  f_action += "-a-louer";
  }
  else if (typetrans != "") {
  f_action += "-a-vendre";
  }
  if (pr2 > 0) {
    if (pr1 > 0) {
    f_action += "-de-"+pr1+"-a-";
    }
    else {
    f_action += "-moins-de-";
    }
    f_action += pr2 +"euros";
  }
//alert(f_action);
  f_action += "/";
  f.action = f_action;
//var bcp  = document.getElementById('BienCP').value;
var url = "&noicon=1&TypeTransaction="+typetrans;
url = url + "&TypeAffaire="+typea;
//url = url + "&NbPieces1="+nbp;
//url = url + "&NbChambres="+nbc;
url = url + "&Prix1="+pr1;
url = url + "&Prix2="+pr2;
//url = url + "&cp="+bcp;
url = url + "&noCategorieInternet=VENDU";

var u1 = "../ajx.php?act=majtypes"+url;
var u2 = "../ajx.php?act=majvilles"+url;
var u3 = "../ajx.php?act=majdpt"+url;
var u4 = "../ajx.php?act=nbaff"+url;
var z1 = "types";
var z2 = "villes";
var z3 = "dep";
var z4 = "nbaffs";

rCalc(z4,u4,100);
}
function zapnom(f) {
  if (f.value == "Budget maxi") {
  f.value = "";
  }
}
function shownav(n) {
clearTimeout(atcl);
  for (var i=1; i<4; i++) {
  document.getElementById('nav'+i).style.visibility='hidden';
  filtreAlpha('nav'+i,0);
    if (i != n) {
    setInactiv('im'+i);
    }
  }
var nav ="nav"+n;
var zone = document.getElementById(nav);
zone.style.visibility='visible';
Nfade_In(nav,0,fstep);
atcl = setTimeout("autoClosenav(3)",20000);
}
function closenav(n) {
resetActiv();
var nav ="nav"+n;
var zone = document.getElementById(nav);
zone.style.visibility='hidden';
}
function rollOver(isrc) {
  if (strstr(isrc,"over")) {
  return isrc;
  }
isrc = str_replace("_","-over_",isrc);
return isrc;
}
function rollBack(isrc) {
isrc = str_replace("-over","",isrc);
return isrc;
}

function rollOver2(isrc) {
  if (strstr(isrc,"over")) {
  return isrc;
  }
isrc = str_replace(".png","-over.png",isrc);
return isrc;
}
function setActiv(im) {
var img = document.getElementById(im).src;
  if (strstr(img,"over")) {
  return;
  }
img = rollOver(img);
document.getElementById(im).src = img;
}
function setInactiv(im) {
var img = document.getElementById(im).src;
  if (strstr(img,"over")) {
  img = rollBack(img);
  document.getElementById(im).src = img;
  }
}
function resetActiv() {
setInactiv('im1');
setInactiv('im2');
setInactiv('im3');
}
function navOver(id,src) {
  if (id != active) {
  document.getElementById(id).style.backgroundImage = 'url(../images/'+src+')';
  }
}
function navOut(id,src) {
  if (id != active) {
  document.getElementById(id).style.backgroundImage = 'url(../images/'+src+')';
  }
}
function setActive(id,src) {
document.getElementById(id).style.backgroundImage = 'url(../images/'+src+')';
active = id;
}
function autoClosenav(max) {
  for (n=1; n<(max+1); n++) {
  closenav(n);
  }
//atcl = setTimeout("autoClosenav(3)",20000);
}
var active="";
  if (inav == "IE") {
  var fstep = 10;
  }
  else {
  var fstep = 2;
  }
alphanivo = 80;
var atcl;