function tires_podbor(){
var brand = document.tires.brand.value;
var wwidth = document.tires.wwidth.value;
var profile = document.tires.profile.value;
var diametr = document.tires.diametr.value;
var zima = document.tires.zima.value;
var ship = document.tires.ship.value;
var paged = document.tires.paged.value;
var price1 = document.tires.price1.value;
if (price1=="" || price1<1) price1=':';
var price2 = document.tires.price2.value;
if (price2=="" || price2<1) price2=':';
var loc = '/filter_tires/0/' + brand + '/' + wwidth + '/' + profile  + '/' + diametr  + '/' + price1 + '/' + price2+ '/' + zima+ '/' + ship+ '/' + paged;
location = loc;
//alert(brand)
}
function disks_podbor(){
var brand = document.disks.brand.value;
var wwidth = document.disks.wwidth.value;
var krepej = document.disks.krepej.value;
var diametr = document.disks.diametr.value;
var vylet = document.disks.vylet.value;
var tri = document.disks.tri.value;
if (tri=="on") tri=1;
else tri=0;
var paged = document.disks.paged.value;
var price1 = document.disks.price1.value;
if (price1=="" || price1<1) price1=':';
var price2 = document.disks.price2.value;
if (price2=="" || price2<1) price2=':';
var loc = '/filter_disks/0/' + brand + '/' + wwidth + '/' + krepej  + '/' + diametr  + '/' + price1 + '/' + price2+ '/' + vylet+ '/' + tri+ '/' + paged ;
location = loc;
//alert(brand)
}