function chgRgn(rgnType, mtr_ctg_id, sub_ctg_id, mtr_rgn_id, sub_rgn_id) {
  url  = document.location.pathname;
  form = document.NEForm;
  url  = url + "?mtr_ctg_id=" + mtr_ctg_id + "&sub_ctg_id=" + sub_ctg_id;
  if (rgnType == 1) {
    url = url + "&mtr_rgn_id=" + form.mtr_rgn[form.mtr_rgn.selectedIndex].value;
  }
  else {
    url = url + "&mtr_rgn_id=" + mtr_rgn_id;
    url = url + "&sub_rgn_id=" + form.sub_rgn[form.sub_rgn.selectedIndex].value;
  }
  document.location = url;
}

function chgCtg(ctgType, mtr_ctg_id, mtr_rgn_id, sub_rgn_id) {
  url  = document.location.pathname;
  form = document.NEForm;
  url  = url + "?mtr_rgn_id=" + mtr_rgn_id + "&sub_rgn_id=" + sub_rgn_id;
  if (ctgType == 1) {
    url = url + "&mtr_ctg_id=" + form.mtr_ctg[form.mtr_ctg.selectedIndex].value;
  }
  else {
    url = url + "&mtr_ctg_id=" + mtr_ctg_id;
    url = url + "&sub_ctg_id=" + form.sub_ctg[form.sub_ctg.selectedIndex].value;
  }
  document.location = url;
}

 function page(num, mtr_ctg_id, sub_ctg_id, mtr_rgn_id, sub_rgn_id) {
    url  = document.location.pathname;
    url  = url + "?mtr_ctg_id=" + mtr_ctg_id + "&sub_ctg_id=" + sub_ctg_id;
    url  = url + "&mtr_rgn_id=" + mtr_rgn_id + "&sub_rgn_id=" + sub_rgn_id;
    url  = url + "&page=" + num;
    document.location = url;
 }
 
//----------------------------------------------------------------------------------------
//Fonctions permettant d'appliquer un filtre aux images
//----------------------------------------------------------------------------------------	
function run_filter(obj){	
	if(obj && obj.filters[0]){
		obj.filters[0].apply();
		obj.visibility="visible";
		obj.filters[0].play();
	}
} 
 
function changeClass(obj, newClass) {
  obj.className = newClass;
}