function ref(object)
{
    if (document.getElementById)
    {
        return document.getElementById(object);
    }
    else if (document.all)
    {
        return eval('document.all.' + object);
    }
    else
    {
        return false;
    }
}

function select_all (obj) {
    var ids = document.getElementsByName(obj);
    for (i=0;i<ids.length ;i++ ) {
        ids[i].checked = 'checked';
    }
}
function select_none (obj) {
    var ids = document.getElementsByName(obj);
    for (i=0;i<ids.length ;i++ ) {
        ids[i].checked = '';
    }
}

function jumpMenu(url){
        window.location.href = url;
}


function search_activation(realty) {
    var i;
    var property_realty = new Array(
        'property_type', 'price_from', 'price_to', 'floor_from', 'floor_to');
    var building_realty = new Array(
        'building_type');
    if (realty == 'buildings') {
        for (i in property_realty) {
           if (ref(property_realty[i])) {
               ref(property_realty[i]).disabled = true;
           }
        }
        for (i in building_realty) {
           if (ref(building_realty[i])) {
               ref(building_realty[i]).disabled = false;
           }
        }
    } else if (realty == 'property') {
        for (i in property_realty) {
           if (ref(property_realty[i])) {
               ref(property_realty[i]).disabled = false;
           }
        }
        for (i in building_realty) {
           if (ref(building_realty[i])) {
               ref(building_realty[i]).disabled = true;
            }
        }
    }

}

function setCookie(c_name,value,expiredays)
{
    if (value == 'none'){
        value = '';
    } else {
        value = 'none';
    }
var exdate=new Date()
exdate.setDate(exdate.getDate()+expiredays)
document.cookie=c_name+ "=" +value+
((expiredays==null) ? "" : ";expires="+exdate.toGMTString())
}