function setSelectedValue(selvalues,selvalue) {

  selectedValues = selvalues;

  if (selectedValues == '') {
    selectedValues = selvalue;
  }
  else {
    
    if (selectedValues.search(selvalue) != -1) {
      
      selectedValues = selectedValues.replace(selvalue + " ","").replace(selvalue,"") ;
    }
    else {
      selectedValues = selectedValues.replace(/^\s+|\s+$/g, '') + " " + selvalue;
    }
    
  }
  return selectedValues;
}

function setSearchValue(selfield,selvalue) {
 selectedAreaValues = setSelectedValue($(selfield).value,selvalue);
 $(selfield).value =  selectedAreaValues;
  search();
  setSearchBanners();
}

function setBanners(position,maxcount) {
  
  new Ajax.Request("/vapaalle/display_media_item", {
    asynchronous:true,
    evalScripts:true,
    parameters: {
     position: position,
     maxcount: maxcount,
     media_item_service: $('search_field_service').value,
     media_item_area: $('search_field_area').value
    },

   onSuccess:function(request){
  
    }
  });

}

function emptyInput(id) {

  if(id == 'search_field_service') {previous_service_query = ""; }
  else if(id == 'search_field_area') {previous_area_query = ""; }

  $(id).value = "";
  search();
  setSearchBanners();
}