var U='http://www.coches.net/servicios/channels/search.aspx?';
function A(p,n){if(D(n))U+='&'+p+'='+C(n);}
function C(n){return document.getElementById(n).value;}
function D(n){if(document.getElementById(n)!=null)return true;return false;}
function LoadCochesnet(){
    A('channel','cfg_channel');
    A('box','cfg_box');
    A('ext','cfg_box_type');
    A('BoxTitle','cfg_box_title');
    A('contract','cfg_contract');
    A('make','cfg_make');
    A('BodyTypeId','cfg_bodytype');
    A('FuelTypeId','cfg_fueltype');
    A('Prv','cfg_province');
    A('MaxPrice','cfg_maxprice');
    A('MinPrice','cfg_minprice');
    A('MaxYear','cfg_maxyear');
    A('MinYear','cfg_minyear');
    A('MaxKms','cfg_maxkms');
    A('MinKms','cfg_minkms');
    A('PowerHpFrom','cfg_minpower');
    A('PowerHpTo','cfg_maxpower');
    A('Colour','cfg_colour');
    A('Version','cfg_version');
    A('Eq','cfg_equipment');
    A('css', 'cfg_css');
    A('SearchSection', 'cfg_searchsection');
    A('Section1', 'cfg_section1');
    document.getElementById('iframe_cochesnet').src=U;
}